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NSN 5305-01-023-1924, 5305010231924
SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 010231924
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 5305-01-023-1924

National Stock Number (NSN) 5305-01-023-1924, or NIIN 010231924, (screw,externally relieved body) was assigned June 12, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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 5305010231924 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD LENGTH
(AASA) 0.250 INCHES NOMINAL
FIRST DIAMETER FROM HEAD
(AAWC) 0.076 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
NOMINAL THREAD DIAMETER
(AHYM) 0.112 INCHES
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT
HEAD HEIGHT
(AASU) 0.150 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE
(AASK) FLAT CHAMFER
THREAD QUANTITY PER INCH
(CMLP) 40
INTERNAL DRIVE STYLE
(ABQZ) SLOT
SPECIAL FEATURES
(FEAT) CHAMFERED HEAD
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
FASTENER LENGTH
(AASB) 0.396 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.167 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER
(AAWH) 0.146 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) NAVY SPECIAL PROJECT
THREAD SERIES DESIGNATOR
(THSD) UNC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS
(AAJD) 2A
MATERIAL
(MATT) STEEL COMP 303SE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND

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