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NSN 5305-00-281-8526, 5305002818526
Cancelled -> Replaced by 5305002740500

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 002818526
Codification Country
United States
Item Name Code
INC 06657
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5305-00-281-8526

National Stock Number (NSN) 5305-00-281-8526, or NIIN 002818526, (screw,machine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5305002740500.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 18 contracts issued for this part number, with 18 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A624FB0NV, SPE4A624FZ4AC, SPE4A624FASR2, SPE4A623FBDUK, SPE4A623V159Q. The total value of the awarded contracts has been US$ 18,574.19.

This NSN is fairly common among different weapons systems, belonging to 20 different platforms.

There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 06657. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305002818526 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

EXTENDED WASHER DIAMETER
(AATC) 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS
(AATD) 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
FASTENER LENGTH
(AASB) 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
HEAD STYLE
(AASK) ROUND EXTENDED WASHER
INTERNAL DRIVE STYLE
(ABQZ) CROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER
(AHYM) 0.164 INCHES
MINIMUM TENSILE STRENGTH
(CQBC) 125000 POUNDS PER SQUARE INCH
SCREW MATERIAL DOCUMENT AND CLASSIFICATION
(CYAW) MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
SCREW MATERIAL
(CYAU) STEEL COMP 8630 OR STEEL COMP 4037
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(CYBE) QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE
SCREW SURFACE TREATMENT
(CYBA) CADMIUM OR ZINC
THREAD CLASS
(AAJD) 3A
THREAD LENGTH
(AASA) 0.235 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 32
THREAD SERIES DESIGNATOR
(THSD) UNC

Manufacturer Part Numbers


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Desc: 8-32 X 3/
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