NSN 4730-01-157-6347 A6955.002.103, A6955002103, A6UN503

Product Details | UNION NUT

4730-01-157-6347 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: A6955.002.103, A6955002103, A6UN503, A6UN50-3, 06955002103, 50N3SS, 6N503, 6N503SS, 4730-01-157-6347, 01-157-6347, 4730011576347, 011576347

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

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
47	09 JUL 1983	01-157-6347	19964 ( NUT, UNION )

Drawings & Photos | NSN 4730-01-157-6347

Part Number	Request Date	QTY	Origin
06955002103	2023-08-229	354	DIBBS
50N3SS	2023-08-229	354	DIBBS
6N503SS	2023-08-229	354	DIBBS
A6UN50-3	2023-08-229	354	DIBBS
06955002103	2022-09-244	288	DIBBS
50N3SS	2022-09-244	288	DIBBS
6N503SS	2022-09-244	288	DIBBS
A6UN50-3	2022-09-244	288	DIBBS
06955002103	2022-03-79	138	DIBBS
50N3SS	2022-03-79	138	DIBBS
6N503SS	2022-03-79	138	DIBBS
A6UN50-3	2022-03-79	138	DIBBS
06955002103	2021-10-285	191	DIBBS
50N3SS	2021-10-285	191	DIBBS
6N503SS	2021-10-285	191	DIBBS
A6UN50-3	2021-10-285	191	DIBBS
06955002103	2020-09-274	453	DIBBS
50N3SS	2020-09-274	453	DIBBS
6N503SS	2020-09-274	453	DIBBS
A6UN50-3	2020-09-274	453	DIBBS
06955002103	2020-09-257	261	DIBBS
50N3SS	2020-09-257	261	DIBBS
6N503SS	2020-09-257	261	DIBBS
A6UN50-3	2020-09-257	261	DIBBS
4730-01-157-6347	2017-03-61	430	DIBBS
4730-01-157-6347	2016-06-158	284	DIBBS
4730-01-157-6347	2013-10-304	306	DIBBS
4730-01-157-6347	2012-10-278	220	DIBBS
4730-01-157-6347	2008-12-357	391	DIBBS

Cross Reference | NSN 4730-01-157-6347

Part Number	Cage Code	Manufacturer
06955002103	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
50N3SS	99565	ADMIRAL VALVE, LLC DBA CPV MANUFACTURING
6N503	27991	BORG-WARNER CORP MARVEL-SCHEBLER/TILLOTSON DIV
6N503SS	54716	HYDRASEARCH CO., INC. DBA USE CAGE CODE 32142 FOR
A6955.002.103	01343	ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A6UN50-3	0JC12	B E C SYSTEMS, INC. DBA BEC MACHINE PRODUCTS

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Related Products | NSN 4730-01-157-6347

4730-01-157-6381, 4730-01-157-6382, 4730-01-157-6384, 4730-01-157-6386, 4730-01-157-6402

Technical Data | NSN 4730-01-157-6347

Characteristic	Specifications
THREAD SERIES	UN
NOMINAL THREAD SIZE	1.750 INCHES
THREAD QUANTITY PER INCH	12
THREAD CLASS	2B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL CORROSION RESISTING OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A371 HEXAGON
SHOULDER WIDTH	0.312 INCHES NOMINAL
NUT HEIGHT	1.062 INCHES NOMINAL
WIDTH ACROSS FLATS	2.000 INCHES NOMINAL
SMALLEST INSIDE DIAMETER	1.628 INCHES NOMINAL
SHOULDER STEP WIDTH	0.250 INCHES NOMINAL
SHOULDER SEAT DIAMETER	2.000 INCHES NOMINAL
TEMP RATING	NOT RATED
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED	NOT RATED

Restrictions/Controls & Freight Information | NSN 4730-01-157-6347

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	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
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 4730-01-157-6347

Navy

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