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NSN 5310-00-943-1987, 5310009431987
NUT,PLAIN,ROUND

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 009431987
Codification Country
United States
Item Name Code
INC 15887
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 5310-00-943-1987

National Stock Number (NSN) 5310-00-943-1987, or NIIN 009431987, (nut,plain,round) was assigned December 21, 1965 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 somewhat common among different platforms, belonging to 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 15887. [A NUT, CIRCULAR IN SHAPE, WHICH MAY HAVE WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY OR IN THE FACE OPPOSITE THE BEARING SURFACE. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, KNURLED. (WHEN HEIGHT OR THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)]. 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 5310009431987 contains an unknown precious metal.

This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL OR CADMIUM OVERALL AND PHOSPHATE OVERALL
MATERIAL
(MATT) STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL
DRIVE POINT DEPTH
(ABQU) 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM
DRIVE POINT QUANTITY
(ADBM) 16
DRIVE POINT WIDTH
(ADBH) 0.188 INCHES NOMINAL
COUNTERBORE DIAMETER
(AAWY) 1.210 INCHES MINIMUM AND 1.220 INCHES MAXIMUM WASHER
HOLE CONFIGURATION STYLE
(CRHC) CONFIGURATION J
HOLE NOMINAL THREAD DIAMETER
(CSPF) 0.250 INCHES
HOLE THREAD QUANTITY PER INCH
(CQTW) 28
HOLE TYPE AND QUANTITY
(ALET) 16 TAPPED
MATERIAL
(MATT) STEEL COMP E4340 OR STEEL COMP 4340 OVERALL
NOMINAL THREAD SIZE
(CQJX) 1.000 INCHES
NUT COUNTERBORE DEPTH
(ADFK) 0.115 INCHES NOMINAL WASHER
NUT DIAMETER
(ACTD) 1.680 INCHES MINIMUM AND 1.690 INCHES MAXIMUM
NUT STYLE
(ACTA) ROUND
NUT THICKNESS
(ADBG) 0.640 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) W/EXTENDED WASHER,2.430 IN. OD,0.125 IN. THK,TAPPED HOLES IN EXTENDED WASHER,2 HOLES 0.046 IN. DIA THRU TOP OF NUT AT 45 DEG ANGLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TYPE II CLASS 2 FED SPEC 2ND TREATMENT RESPONSE AND QQ-P-416 TYPE III CLASS 2 FED SPEC 4TH TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3B
THREAD SERIES
(BZRR) UNEF
THREAD QUANTITY PER INCH
(CMLP) 20
DRIVE POINT WIDTH
(ADBH) 0.188 NOMINAL INCHES

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