NSN 5950-01-111-9257 26475, 51401, 5-1401

Product Details | POWER AUTOTRANSFORMER TRANSFORMER

5950-01-111-9257 A transformer which incorporates the primary and secondary functions into a single winding, which is common to both input and output circuits, and is designed to change the relationship of volts and amperes between the entire winding and its taps. Includes multiple winding transformers of like design and items in which a variation of the turns ratio or inductive ratio of inductive coupling is accomplished by connection to fixed terminals. Also, includes items having a provision for mechanically changing the turns ratio in progressive increments, by means of a shaft, voltage taps, ratio adjuster, or devices of similar design. Excludes TRANSFORMER (1), POWER; TRANSFORMER (1), PULSE.20259500022Coils and Transformers61200044Transformers: Distribution and Power Station

Part Alternates: 26475, 51401, 5-1401, 70550-01017-101, 5950-01-111-9257, 01-111-9257, 7055001017101, 5950011119257, 011119257

Electrical and Electronic Equipment Components | Coils and Transformers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
59	24 APR 1981	01-111-9257	36166 ( TRANSFORMER, POWER AUTOTRANSFORMER )

Part Number	Request Date	QTY	Origin
51401	2025-11-310	10	United States
51401	2025-10-288	10	United States
26475	2025-09-250	30	DIBBS
5-1401	2025-09-250	30	DIBBS
26475	2025-04-114	21	DIBBS
5-1401	2025-04-114	21	DIBBS
51401	2025-01-03	10	United States
26475	2024-11-312	15	DIBBS
5-1401	2024-11-312	15	DIBBS
26475	2024-06-162	15	DIBBS
5-1401	2024-06-162	15	DIBBS
26475	2024-05-150	15	DIBBS
5-1401	2024-05-150	15	DIBBS
5950-01-111-9257	2023-05-135	1	United States
5950-01-111-9257	2022-08-222	25	United States
5950-01-111-9257	2022-07-209	5	UM
5950-01-111-9257	2022-05-138	10	UM
5950-01-111-9257	2020-11-335	20	UM
5950-01-111-9257	2020-03-65	10	US
26475	2019-04-111	20	DIBBS
5-1401	2019-04-111	20	DIBBS
5950-01-111-9257	2018-12-348	35	US
5950-01-111-9257	2017-07-207	24	DIBBS
5950-01-111-9257	2016-08-222	28	DIBBS
5950-01-111-9257	2015-03-64	75	DIBBS
7055-00-101-7101	2014-12-345	1	US
5950-01-111-9257	2014-12-337	24	DIBBS
5950-01-111-9257	2014-03-78	28	DIBBS
5950-01-111-9257	2013-11-323	19	DIBBS
5950-01-111-9257	2013-07-210	8	US
5950-01-111-9257	2013-02-58	46	DIBBS
5950-01-111-9257	2013-01-22	0	DIBBS
5950-01-111-9257	2012-08-242	21	DIBBS
5950-01-111-9257	2011-09-257	32	DIBBS
5950-01-111-9257	2011-06-158	22	DIBBS
5950-01-111-9257	2010-08-243	20	DIBBS
5950-01-111-9257	2010-08-243	38	DIBBS
5950-01-111-9257	2009-12-336	25	DIBBS
5950-01-111-9257	2009-04-93	35	DIBBS
5950-01-111-9257	2008-10-290	21	DIBBS
5950-01-111-9257	2008-05-140	39	DIBBS
5950-01-111-9257	2008-01-25	24	DIBBS
5950-01-111-9257	2007-11-319	33	DIBBS
5950-01-111-9257	2007-05-127	24	DIBBS
5950-01-111-9257	2007-03-89	34	DIBBS

Cross Reference | NSN 5950-01-111-9257

Part Number	Cage Code	Manufacturer
26475	95266	OECO, LLC DBA PACIFIC SCIENTIFIC OECO
5-1401	58474	SUPERIOR ELECTRIC HOLDING GROUP LLC DBA SUPERIOR ELECTRIC
70550-01017-101	78286	SIKORSKY AIRCRAFT CORPORATION

Request a Quote

What Our Customers Say

Thank you very much for the excellent service and professional customer care.

Ernie G. Honeywell

The service was excellent. I can think of no improvements to date that you can make regarding internet sales.

John L. Raytheon

The representative for WBParts was efficient & handled our request in a timely & professional manner.

Karen G. General Dynamics

Tried two other sources, neither of them responded, was all done online, never spoke to anyone.

Rex S. US Airforce

The response is quick and the price is often very good. We are completely satisfied.

Patricia S. NASA

Compare

NSNs for Compare ( up to 4 ): Add 5950-01-111-9257

Compare

Related Products | NSN 5950-01-111-9257

5950-01-111-9258, 5950-01-111-9519, 5950-01-111-9520, 5950-01-111-9523, 5950-01-111-9524

Technical Data | NSN 5950-01-111-9257

Characteristic	Specifications
TERMINAL TYPE AND QUANTITY	5 THREADED STUD
WINDING OPERATING VOLTAGE	115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT 0.00 AC VOLTS MINIMUM AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
WINDING OPERATING CURRENT	5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
FREQUENCY RATING	400.0 HERTZ NOMINAL SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHOD	THREADED HOLE SINGLE GROUP
MOUNTING FACILITY QUANTITY	1 SINGLE GROUP
THREAD SERIES DESIGNATOR	UNF SINGLE GROUP
NOMINAL THREAD SIZE	0.375 INCHES SINGLE GROUP
(NON-CORE DATA) THREAD CLASS	2A SINGLE GROUP
(NON-CORE DATA) THREAD DIRECTION	RIGHT-HAND SINGLE GROUP
INCLOSURE TYPE	FULLY INCLOSED
BODY LENGTH	4.070 INCHES MAXIMUM
OVERALL DIAMETER	3.050 INCHES MAXIMUM
FEATURES PROVIDED	W/SWITCH
RELIABILITY INDICATOR	NOT ESTABLISHED
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
TEST DATA DOCUMENT	78286-70550-01017 DRAWING
SPECIFICATION/STANDARD DATA	78286-70550-01017 MANUFACTURERS SOURCE CONTROL
CRITICALITY CODE JUSTIFICATION	FEAT
(NON-CORE DATA) UNPACKAGED UNIT WEIGHT	0.850 POUNDS
III END ITEM IDENTIFICATION	UH-60A BLACK HAWK HELICOPTER
MANUFACTURERS CODE	78286
MFR SOURCE CONTROLLING REFERENCE	70550-01017-101

Restrictions/Controls & Freight Information | NSN 5950-01-111-9257

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	S	60 months
Hazardous Material Indicator Code	P	There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	Y	The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	063420	TRANSFORMERS,NOI,OR TRANSFORMER PAR
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	595	unknown
Originating Activity Code	CT	U.S. Army Aviation and Missile Command (AIR) Redstone Arsenal, AL 35898-5230
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	H	Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5950-01-111-9257

Category	Code	Description
Materiel Category and Inventory Manager	Q	Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	B	Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous Group	BK	CH-47
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	S	60 months
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation Code	EH	SX:ELECTRONIC COMPONENTS
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	S	60 months
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	3B	Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Reparability	D	Field Level Reparables
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	S	60 months
Purchasing	QTY UOM	1 EA : Each