NSN 4730-00-770-9569 MIS1735611, MIS17356-1-1, A6UN508DF

Product Details | UNION NUT

4730-00-770-9569 An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes NUT (1), TUBE COUPLING.202109000004730000000

Part Alternates: MIS1735611, MIS17356-1-1, A6UN508DF, A6UN50-8-DF, 50N8, 50N8304SS, 50N-8-304SS, 6N508, 6N508CD, 4730-00-770-9569, 00-770-9569, 4730007709569, 007709569

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
47	15 MAR 1968	00-770-9569	19964 ( NUT, UNION )

Drawings & Photos | NSN 4730-00-770-9569

Part Number	Request Date	QTY	Origin
50N-8-304SS	2025-10-275	44	DIBBS
6N50-8,CD	2025-10-275	44	DIBBS
A6UN50-8-DF	2025-10-275	44	DIBBS
50N-8-304SS	2020-09-274	21	DIBBS
6N50-8,CD	2020-09-274	21	DIBBS
A6UN50-8-DF	2020-09-274	21	DIBBS
50N-8-304SS	2020-09-267	40	DIBBS
6N50-8,CD	2020-09-267	40	DIBBS
A6UN50-8-DF	2020-09-267	40	DIBBS
50N-8-304SS	2020-09-247	25	DIBBS
6N50-8,CD	2020-09-247	25	DIBBS
A6UN50-8-DF	2020-09-247	25	DIBBS
CD	2019-03-87	4
CD	2019-03-72	4
4730-00-770-9569	2018-11-305	6	DIBBS
4730-00-770-9569	2018-09-263	9	DIBBS
CD	2018-09-262	21
CD	2018-09-262	21
CD	2018-09-262	21
CD	2018-09-262	21
CD	2018-09-262	21
CD	2018-09-262	21
CD	2018-09-262	21
4730-00-770-9569	2018-08-221	6	DIBBS
CD	2018-06-166	15
CD	2018-04-117	7
CD	2018-04-104	3
CD	2017-11-333	7
CD	2016-05-145	33
CD	2015-10-300	6
CD	2014-07-197	4
4730-00-770-9569	2013-06-156	30	DIBBS
CD	2012-09-258	3
CD	2012-07-186	1
CD	2012-04-103	2
4730-00-770-9569	2011-09-271	17	DIBBS
4730-00-770-9569	2011-01-08	8	DIBBS
4730-00-770-9569	2010-03-81	13	DIBBS

Cross Reference | NSN 4730-00-770-9569

Part Number	Cage Code	Manufacturer
50N-8-304SS	99565	ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
50N8	17077	LOCKHEED MARTIN CORPORATION DBA SPACE SYSTEMS COMPANY
50N8	99565	ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
6N50-8,CD	54716	HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR
6N508	54716	HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR
A6UN50-8-DF	4Y217	AMERICAN PIPING ACCESSORIES CO INC
MIS17356-1-1	04939	LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
MIS17356-1-1	18876	U S ARMY AVIATION AND MISSILE COMMAND

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Related Products | NSN 4730-00-770-9569

4730-00-770-9572, 4730-00-770-9898, 4730-00-770-9932, 4730-00-771-0528, 4730-00-771-0817

Technical Data | NSN 4730-00-770-9569

Characteristic	Specifications
THREAD SERIES	UN
NOMINAL THREAD SIZE	3.750 INCHES
THREAD QUANTITY PER INCH	12
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A371 HEXAGON
SHOULDER WIDTH	0.317 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
NUT HEIGHT	1.500 INCHES NOMINAL
WIDTH ACROSS FLATS	4.125 INCHES MINIMUM
SMALLEST INSIDE DIAMETER	3.190 INCHES NOMINAL
SHOULDER STEP WIDTH	0.359 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SHOULDER SEAT DIAMETER	3.484 INCHES MINIMUM AND 3.516 INCHES MAXIMUM
TEMP RATING	NOT RATED
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED	3000.0 POUNDS PER SQUARE INCH WATER AND 30000.0 POUNDS PER SQUARE INCH OIL

Restrictions/Controls & Freight Information | NSN 4730-00-770-9569

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
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:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	BD	U.S. Army Aviation and Missile Command 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	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4730-00-770-9569

Army
Navy

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support 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	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each