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NSN 5305-01-025-7742, 5305010257742
SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 010257742
Codification Country
United States
Item Name Code
INC 01852
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 5305-01-025-7742

National Stock Number (NSN) 5305-01-025-7742, or NIIN 010257742, (screw,externally relieved body) was assigned August 9, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 15, 2014, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 01852. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES:UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND 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. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.]. 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 5305010257742 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD LENGTH
(AASA) 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER
(AAWH) 0.272 INCHES MINIMUM AND 0.352 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD DIRECTION
(AAJF) RIGHT-HAND
FASTENER LENGTH
(AASB) 0.542 INCHES MINIMUM AND 0.582 INCHES MAXIMUM
NOMINAL THREAD DIAMETER
(AHYM) 0.138 INCHES
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
MATERIAL
(MATT) STEEL COMP 416 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT
THREAD CLASS
(AAJD) 2A
FIRST DIAMETER FROM HEAD
(AAWC) 0.096 INCHES MINIMUM AND 0.101 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 24.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENT
(SFTT) OXIDE OVERALL
HEAD STYLE
(AASK) FLAT CHAMFER
HEAD HEIGHT
(AASU) 0.105 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A582 COND T ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD DIAMETER
(AASL) 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
INTERNAL DRIVE STYLE
(ABQZ) SLOT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD QUANTITY PER INCH
(CMLP) 32

Manufacturer Part Numbers


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