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NSN 5305-01-284-9665, 5305012849665
SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012849665
Codification Country
United States
Item Name Code
INC 01852
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5305-01-284-9665

National Stock Number (NSN) 5305-01-284-9665, or NIIN 012849665, (screw,externally relieved body) was assigned September 3, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers 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.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

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 but does have other critical feature(s) 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 5305012849665 does not contain precious metals.

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

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER
(AAWH) 0.249 INCHES MINIMUM AND 0.259 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER
(AAWJ) 0.416 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY
(CSNG) 1
FASTENER LENGTH
(AASB) 0.666 INCHES NOMINAL
FIRST DIAMETER FROM HEAD
(AAWC) 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.276 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.112 INCHES NOMINAL
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) SLOT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM 276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A479 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 302 OR STEEL COMP 304 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.112 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
SECOND DIAMETER FROM HEAD
(AAWD) 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SPECIAL TEST FEATURES
(SPCL) SPECIAL QUALITY CONTROL TESTING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MI5-25 CAGE 94271 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
TEST DATA DOCUMENT
(TEST) 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH
(CMLP) 40
THREAD SERIES DESIGNATOR
(THSD) UNC
MATERIAL
(MATT) STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL

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