NSN 5310-01-160-4555 K397875, K39787-5, LE15300020005

Product Details | CONCAVE WASHER

5310-01-160-4555 A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Part Alternates: K397875, K39787-5, LE15300020005, LE153-0002-0005 , 5310-01-160-4555, 01-160-4555, 5310011604555, 011604555

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	23 AUG 1983	01-160-4555	15930 ( WASHER, CONCAVE )

Drawings & Photos | NSN 5310-01-160-4555

Part Number	Request Date	QTY	Origin
K39787-5	2025-06-156	714	DIBBS
LE153-0002-0005	2025-06-156	714	DIBBS
K39787-5	2025-05-148	714	DIBBS
LE153-0002-0005	2025-05-148	714	DIBBS
K39787-5	2024-10-303	400	DIBBS
LE153-0002-0005	2024-10-303	400	DIBBS
K39787-5	2024-10-295	400	DIBBS
LE153-0002-0005	2024-10-295	400	DIBBS
K39787-5	2024-08-221	128	DIBBS
LE153-0002-0005	2024-08-221	128	DIBBS
K39787-5	2024-05-142	238	DIBBS
LE153-0002-0005	2024-05-142	238	DIBBS
K39787-5	2023-07-187	251	DIBBS
LE153-0002-0005	2023-07-187	251	DIBBS
K39787-5	2023-01-08	236	DIBBS
LE153-0002-0005	2023-01-08	236	DIBBS
K39787-5	2021-03-70	217	DIBBS
LE153-0002-0005	2021-03-70	217	DIBBS
K39787-5	2021-03-62	217	DIBBS
LE153-0002-0005	2021-03-62	217	DIBBS
K39787-5	2019-12-349	630	DIBBS
LE153-0002-0005	2019-12-349	630	DIBBS
K39787-5	2019-01-14	310	DIBBS
LE153-0002-0005	2019-01-14	310	DIBBS
5310-01-160-4555	2018-03-81	63	DIBBS
5310-01-160-4555	2017-12-361	81	DIBBS
5310-01-160-4555	2017-02-32	395	DIBBS
5310-01-160-4555	2015-10-289	25	DIBBS
5310-01-160-4555	2015-10-277	25	DIBBS
5310-01-160-4555	2012-09-246	10	US

Cross Reference | NSN 5310-01-160-4555

Part Number	Cage Code	Manufacturer
K39787-5	15653	ALCOA GLOBAL FASTENERS, INC.

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Related Products | NSN 5310-01-160-4555

5310-01-160-4556, 5310-01-160-4557, 5310-01-160-4558, 5310-01-160-5019, 5310-01-160-5229

Technical Data | NSN 5310-01-160-4555

Characteristic	Specifications
MATERIAL	STEEL COMP 4130 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	35 CONCAVE
HOLE DIAMETER	0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM
RADIUS	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
OUTSIDE DIAMETER	0.608 INCHES MINIMUM AND 0.618 INCHES MAXIMUM
MATERIAL THICKNESS	0.106 INCHES MINIMUM AND 0.126 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-01-160-4555

Restrictions
Freight

Category	Code	Description
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.
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.
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	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	671	unknown
Originating Activity Code	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
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 5310-01-160-4555

Air Force

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	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