NSN 6625-01-044-2560 MK77794, MK777-94, MMI9666

Product Details | ELECTRICAL FREQUENCY METER

6625-01-044-2560 An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in Hertz (cycles per second or CPS). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see CALIBRATOR, FREQUENCY; and WAVEMENTER. Excludes: COUNTER ELECTRONIC DIGITAL.

Part Alternates: MK77794, MK777-94, MMI9666, MMI-9666, A6242110, A624-2110, 253R0828, 253R0-828, 328AS1711, 328AS171-1, 628E562, 628-E562, 6625-01-044-2560, 01-044-2560, 6625010442560, 010442560

Instruments and Laboratory Equipment | Electrical and Electronic Properties Measuring and Testing Instruments

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
66	09 JUL 1977	01-044-2560	16454 ( METER, ELECTRICAL FREQUENCY )

Drawings & Photos | NSN 6625-01-044-2560

Part Number	Request Date	QTY	Origin
253R0-828	2025-02-49	37	DIBBS
328AS171-1	2025-02-49	37	DIBBS
628-E562	2025-02-49	37	DIBBS
A624-2110	2025-02-49	37	DIBBS
MK777-94	2025-02-49	37	DIBBS
MMI-9666	2025-02-49	37	DIBBS
253R0-828	2025-02-37	37	DIBBS
328AS171-1	2025-02-37	37	DIBBS
628-E562	2025-02-37	37	DIBBS
A624-2110	2025-02-37	37	DIBBS
MK777-94	2025-02-37	37	DIBBS
MMI-9666	2025-02-37	37	DIBBS
253R0-828	2024-08-221	26	DIBBS
328AS171-1	2024-08-221	26	DIBBS
628-E562	2024-08-221	26	DIBBS
A624-2110	2024-08-221	26	DIBBS
MK777-94	2024-08-221	26	DIBBS
MMI-9666	2024-08-221	26	DIBBS
253R0-828	2022-12-339	47	DIBBS
328AS171-1	2022-12-339	47	DIBBS
628-E562	2022-12-339	47	DIBBS
A624-2110	2022-12-339	47	DIBBS
MK777-94	2022-12-339	47	DIBBS
MMI-9666	2022-12-339	47	DIBBS
6625-01-044-2560	2021-01-03	40	DIBBS
6625-01-044-2560	2018-11-305	21	DIBBS
6625-01-044-2560	2018-08-242	34	DIBBS
6625-01-044-2560	2018-04-105	38	DIBBS
6625-01-044-2560	2017-03-61	26	DIBBS
6625-01-044-2560	2017-01-12	24	DIBBS
6625-01-044-2560	2016-08-240	54	DIBBS
6625-01-044-2560	2016-04-105	34	DIBBS
6625-01-044-2560	2015-05-125	43	DIBBS
6625-01-044-2560	2014-11-307	18	DIBBS
6625-01-044-2560	2009-07-202	24	DIBBS
6625-01-044-2560	2009-02-48	46	DIBBS
6625-01-044-2560	2009-01-06	51	DIBBS
6625-01-044-2560	2008-11-316	95	DIBBS
6625-01-044-2560	2008-10-294	10	DIBBS
6625-01-044-2560	2008-10-281	56	DIBBS
6625-01-044-2560	2008-04-114	34	DIBBS
6625-01-044-2560	2007-11-313	35	DIBBS
6625-01-044-2560	2007-08-218	17	DIBBS
6625-01-044-2560	2007-06-157	37	DIBBS
6625-01-044-2560	2007-02-57	23	DIBBS
A6242110	2007-02-39	2	US

Cross Reference | NSN 6625-01-044-2560

Part Number	Cage Code	Manufacturer
253R0-828	89280	Q V S INC
328AS171-1	30003	NAVAL AIR SYSTEMS COMMAND
328AS171-1	57737	HERMAN H STICHT COMPANY INC DBA MEGOHMER VIBRATING REED &
628-E562	77221	PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY
A624-2110	21269	ESSEX ELECTRO ENGINEERS, INC.
MK777-94	0BZM1	MKC ELECTRONICS, INC DBA M K ELECTRONICS
MMI-9666	27197	METERMASTER INC METERMOD DIV
MMI-9666	28304	CUSTOM METERING COMPANY INC

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Related Products | NSN 6625-01-044-2560

6625-01-044-3760, 6625-01-044-3761, 6625-01-044-3834, 6625-01-044-3941, 6625-01-044-4112

Technical Data | NSN 6625-01-044-2560

Characteristic	Specifications
INSTALLATION DESIGN	PANEL
(NON-CORE DATA) PANEL FOR WHICH DESIGNED	MAGNETIC OR NONMAGNETIC
(NON-CORE DATA) CIRCUIT CONSTRUCTION TYPE	NONELECTRONIC
INDICATOR TYPE	DIAL W/POINTER
MEASUREMENT RANGE	390.0 TO 410.0 HERTZ SINGLE INDICATOR SINGLE RANGE
ACCURACY IN PERCENT	-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
SCALE GRADUATION TYPE	LINEAR SINGLE INDICATOR SINGLE RANGE
SCALE DIVISION QUANTITY	20 SINGLE INDICATOR SINGLE RANGE
POINTER COLOR	BLACK SINGLE INDICATOR SINGLE RANGE
DIAL SCALE MARKING COLOR	BLACK SINGLE INDICATOR SINGLE RANGE
BACKGROUND COLOR	WHITE SINGLE INDICATOR SINGLE RANGE
MOVEMENT TYPE	MOVING COIL, PERMANENT MAGNET
MOVEMENT SUSPENSION METHOD	JEWEL PIVOT BASE
FREQUENCY RESPONSE RANGE	390.000 TO 410.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY	2 SOLDER LUG
SCALE SELECTION METHOD	TERMINAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS	3000.0
POWER SOURCE	EXTERNAL
CIRCUIT CURRENT FOR WHICH DESIGNED	AC
FREQUENCY RATING	400.0 HERTZ NOMINAL
PHASE	SINGLE
STYLE DESIGNATOR	C1 ROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE	2.210 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE	1.700 INCHES MAXIMUM
OVERALL DIAMETER	2.695 INCHES MAXIMUM
OVERALL LENGTH	2.100 INCHES MAXIMUM
MOUNTING FACILITY TYPE AND QUANTITY	3 SCREW AND 3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER	0.125 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE	E5 THREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER	2.440 INCHES NOMINAL
MATERIAL	STEEL
SURFACE TREATMENT	ENAMEL
ENVIRONMENTAL PROTECTION	SHOCK RESISTANT AND VIBRATION RESISTANT AND WATERTIGHT
FURNISHED ITEMS AND QUANTITY	MTG HDW 3; TERM. HDW 2
FEATURES PROVIDED	ZERO ADJUSTER
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
SPECIAL TEST FEATURES	CONFORMS TO MIL-M-10304
CRITICALITY CODE JUSTIFICATION	FEAT
III FSC APPLICATION DATA	TEST SET,ELECT. EQUIP.
III END ITEM IDENTIFICATION	AIRCRAFT FMS-TA-4J,C-2A(REPROCURED),TOMCAT F-14,VIKING S-3B,HELICOPTER MH-53E,SH-60F,HH-60H,SEA KING H-3,ADVANCE ATTACK AH-1W,USCG SEARCH AND RESCUE HH-60J

Restrictions/Controls & Freight Information | NSN 6625-01-044-2560

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
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	136740	METERS ELEC/PARTS
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	657	unknown
Originating Activity Code	TX	Defense Supply Center Columbus Columbus, OH 43218
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 6625-01-044-2560

Air Force
Navy

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.
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	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of 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
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	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each