NSN 4320-01-383-5480 12132F18498A, 12132F18-498A, 12881C18

Product Details | WEARING RING

4320-01-383-5480 A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.20229350055Engine System Cooling Components, Aircraft Prime Moving43200020Power and Hand Pumps

Part Alternates: 12132F18498A, 12132F18-498A, 12881C18, 12881C18A, 300D498BX1, 4320-01-383-5480, 01-383-5480, 4320013835480, 013835480

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
43	25 NOV 1993	01-383-5480	22534 ( RING, WEARING )

Drawings & Photos | NSN 4320-01-383-5480

Part Number	Request Date	QTY	Origin
12881C18A	2025-11-310	35	DIBBS
300D498BX1	2025-11-310	35	DIBBS
12881C18A	2025-06-156	12	DIBBS
300D498BX1	2025-06-156	12	DIBBS
12881C18A	2025-01-15	25	DIBBS
300D498BX1	2025-01-15	25	DIBBS
12881C18A	2024-09-249	28	DIBBS
300D498BX1	2024-09-249	28	DIBBS
12881C18A	2024-08-214	10	DIBBS
300D498BX1	2024-08-214	10	DIBBS
12881C18A	2023-05-124	10	DIBBS
300D498BX1	2023-05-124	10	DIBBS
12881C18A	2022-07-209	12	DIBBS
300D498BX1	2022-07-209	12	DIBBS
12881C18A	2022-04-104	9	DIBBS
300D498BX1	2022-04-104	9	DIBBS
12881C18A	2022-03-76	3	DIBBS
300D498BX1	2022-03-76	3	DIBBS
12881C18A	2022-01-02	6	DIBBS
300D498BX1	2022-01-02	6	DIBBS
12881C18A	2021-11-319	2	DIBBS
300D498BX1	2021-11-319	2	DIBBS
12881C18A	2021-06-175	2	DIBBS
300D498BX1	2021-06-175	2	DIBBS
12881C18A	2021-06-166	4	DIBBS
300D498BX1	2021-06-166	4	DIBBS
12881C18A	2021-02-56	1	DIBBS
300D498BX1	2021-02-56	1	DIBBS
12881C18A	2021-01-07	2	DIBBS
300D498BX1	2021-01-07	2	DIBBS
4320-01-383-5480	2018-06-179	4	DIBBS
4320-01-383-5480	2017-10-288	16	DIBBS
4320-01-383-5480	2016-11-308	18	DIBBS
4320-01-383-5480	2016-06-179	12	DIBBS
4320-01-383-5480	2014-01-02	9	DIBBS
4320-01-383-5480	2013-12-351	9	DIBBS
4320-01-383-5480	2010-09-250	8	DIBBS
4320-01-383-5480	2008-09-262	10	DIBBS
4320-01-383-5480	2008-09-253	10	DIBBS
4320-01-383-5480	2008-04-95	8	DIBBS
4320-01-383-5480	2008-02-46	5	DIBBS
4320-01-383-5480	2007-11-333	3	DIBBS
4320-01-383-5480	2007-08-226	3	DIBBS
4320-01-383-5480	2007-07-207	4	DIBBS

Cross Reference | NSN 4320-01-383-5480

Part Number	Cage Code	Manufacturer
12132F18-498A	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12881C18	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
12881C18A	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
300D498BX1	88032	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION

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Related Products | NSN 4320-01-383-5480

4320-01-383-5486, 4320-01-383-5556, 4320-01-383-5567, 4320-01-383-5612, 4320-01-383-5628

Technical Data | NSN 4320-01-383-5480

Characteristic	Specifications
MATERIAL	NICKEL ALLOY AND COPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B171-C715 ASSN STD ALL MATERIAL RESPONSES
BODY STYLE	17 EXTERNAL FLANGE
OVERALL LENGTH	0.380 INCHES NOMINAL
FLANGE DIAMETER	3.926 INCHES NOMINAL
BODY OUTSIDE DIAMETER	3.650 INCHES NOMINAL
BODY INSIDE DIAMETER	3.002 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS	0.186 INCHES NOMINAL
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER CHAMFERED INSIDE RIGHT CORNER SQUARE OUTSIDE LEFT CORNER CHAMFERED OUTSIDE RIGHT CORNER
CHAMFER ANGLE	45.0 DEGREES NOMINAL INSIDE LEFT CORNER 35.0 DEGREES NOMINAL INSIDE RIGHT CORNER 30.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER
CHAMFER LENGTH	0.250 INCHES NOMINAL INSIDE LEFT CORNER
SURFACE FINISH	125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURES	MAT'L 70-30 CU NI, MERCURY FREE; TWO SLOTS MILLED 1/2IN.W 180.0DEG APART; FRICTION FIT
III END ITEM IDENTIFICATION	INGERSOLL RAND CENTRIFUGAL PUMP 10X20XBSX (ASW PUMP); COVER PLATE

Restrictions/Controls & Freight Information | NSN 4320-01-383-5480

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	128000	PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating	M	85.0
Water commodity Code	594	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	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4320-01-383-5480

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