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NSN 5305-00-916-4873, 5305009164873
SCREW,MACHINE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 009164873
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 5305-00-916-4873

National Stock Number (NSN) 5305-00-916-4873, or NIIN 009164873, (screw,machine) was assigned July 15, 1966 in the Federal Logistics Information System (FLIS). NIIN 009164873 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

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 5305009164873 does not contain precious metals.

This information was last updated on .


Technical Characteristics

NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATION
(CYAW) AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH
(AASA) 0.377 INCHES MINIMUM
FASTENER LENGTH
(AASB) 1.502 INCHES NOMINAL
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
COUNTERSINK ANGLE
(CRSQ) 60.0 DEGREES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNF
HEAD DIAMETER
(AASL) 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK
THREAD CLASS
(AAJD) 3A
SCREW SURFACE TREATMENT
(CYBA) NICKEL AND CADMIUM
SCREW MATERIAL
(CYAU) STEEL COMP H11
THREAD QUANTITY PER INCH
(CMLP) 28
THREAD DIRECTION
(AAJF) RIGHT-HAND

Manufacturer Part Numbers

387H418

RNCC
5
RNVC
2
640404

RNCC
5
RNVC
9
640404

RNCC
5
RNVC
9
AIC10234

RNCC
5
RNVC
2
C387H418

RNCC
5
RNVC
2
CS3186424

RNCC
5
RNVC
2
HR101H418

RNCC
3
RNVC
2
VT10394

RNCC
5
RNVC
2

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