NSN 4730-00-187-3596 AN91923D, AN919-23D, AS4841

Product Details | BOSS REDUCER

4730-00-187-3596 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).

Part Alternates: AN91923D, AN919-23D, AS4841, AS5174, AS5174D1612, AS517AD1612, 8020480, 4730-00-187-3596, 00-187-3596, 4730001873596, 001873596

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

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
47	01 JAN 1961	00-187-3596	23541 ( REDUCER, BOSS )

Part Number	Request Date	QTY	Origin
4730-00-187-3596	2023-11-27	103	DIBBS
4730-00-187-3596	2022-06-09	86	DIBBS
4730-00-187-3596	2022-03-07	12	FI
4730-00-187-3596	2022-02-17	85	DIBBS
AN91923D	2020-02-06	100	United States
4730-00-187-3596	2019-01-31	115	DIBBS
4730-00-187-3596	2018-11-08	45	DIBBS
4730-00-187-3596	2018-10-26	2	US
AN91923D	2018-09-13	1	United States
AN91923D	2018-09-13	2	United States
AN91923D	2018-09-13	6	United States
AN91923D	2018-09-13	10	United States
AN91923D	2018-09-13	20	United States
AN91923D	2018-09-13	40	United States
AN91923D	2018-09-13	75	United States
AN91923D	2018-09-13	120	United States
AN91923D	2016-11-11	10	South Africa
AN91923D	2016-10-26	10	South Africa
4730-00-187-3596	2016-07-10	145	DIBBS
AN91923D	2014-03-12	1000	United States
AN91923D	2014-03-12	1500	United States
AS5174	2013-11-06	6	US
AN919-23D	2012-04-24	3	IN
4730-00-187-3596	2012-02-09	127	DIBBS
AS4841	2011-03-10	8
4730-00-187-3596	2010-05-05	195	DIBBS

Cross Reference | NSN 4730-00-187-3596

Part Number	Cage Code	Manufacturer
8020480	18876	U S ARMY AVIATION AND MISSILE COMMAND
AN919-23D	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4841	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5174	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5174D1612	66774	PRECISION AIRCRAFT MACHINING COMPANY, INC.
AS5174D1612	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517AD1612	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Related Products | NSN 4730-00-187-3596

4730-00-187-3597, 4730-00-187-3598, 4730-00-187-3599, 4730-00-187-3600, 4730-00-187-3601

Technical Data | NSN 4730-00-187-3596

Characteristic	Specifications
MATERIAL	ALUMINUM ALLOY 2014 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OVERALL
MAXIMUM OPERATING PRESSURE	1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	160.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE	THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE	B81 FLARED W/GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR	UN ALL ENDS
NOMINAL THREAD SIZE	1.312 INCHES 1ST END 1.062 INCHES 2ND END
THREAD QUANTITY PER INCH	12 ALL ENDS
THREAD CLASS	3A ALL ENDS
NOMINAL OVERALL LENGTH	2.156 INCHES
REDUCER TYPE	CONCENTRIC
SPECIFICATION/STANDARD DATA	88044-AN919 GOVERNMENT STANDARD
III END ITEM IDENTIFICATION	AIRCRAFT APLICATION

Restrictions/Controls & Freight Information | NSN 4730-00-187-3596

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:	U	Precious metal type is unknown
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	051400	PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating	P	77.5
Water commodity Code	576	unknown
Originating Activity Code	XX
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 4730-00-187-3596

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	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
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.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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