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NSN 5305-01-197-5299, 5305011975299
SCREW,MACHINE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 011975299
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 5305-01-197-5299

National Stock Number (NSN) 5305-01-197-5299, or NIIN 011975299, (screw,machine) was assigned December 22, 1984 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

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 5305011975299 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

HEAD DIAMETER
(AASL) 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
THREAD CLASS
(AAJD) 3A
FASTENER LENGTH
(AASB) 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH
(CQBC) 160000 POUNDS PER SQUARE INCH
SCREW MATERIAL
(CYAU) STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS5301 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
HEAD STYLE
(AASK) FLAT CHAMFER
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 32
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(CYBE) QQ-P-416 TY II CL 2 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING
(CQFM) 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJC
THREAD LENGTH
(AASA) 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE
(ABQZ) TRI-WING RECESS
SCREW SURFACE TREATMENT
(CYBA) CADMIUM
NOMINAL THREAD DIAMETER
(AHYM) 0.1380 INCHES
HEAD HEIGHT
(AASU) 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM

Manufacturer Part Numbers


Related Inventory

NAS5301-8
Condition FN
6-32 X .500 TRI
Readily Available


 
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