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NSN 5310-01-114-2905, 5310011142905
NUT,SELF-LOCKING,ASSEMBLED WASHE

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011142905
Codification Country
United States
Item Name Code
INC 29736
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 5310-01-114-2905

National Stock Number (NSN) 5310-01-114-2905, or NIIN 011142905, (nut,self-locking,assembled washe) was assigned June 15, 1981 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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, with the most recent procurement date of Jan 07, 2019. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5E719P1080, SPM5A712V0023, SPM5A712V0023, SPM5AA11V1071. The total value of the awarded contracts has been US$ 11,673.28.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 15, 2005, 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) 29736. [A NUT ON WHICH HAS BEEN ASSEMBLED A NONREMOVABLE WASHER. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310011142905 does not contain precious metals.

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

TEMP RATING
(AZKQ) 450.0 DEG FAHRENHEIT MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL
COUNTERBORE DIAMETER
(AAWY) 0.840 INCHES MINIMUM AND 0.845 INCHES MAXIMUM NUT
HARDNESS RATING
(CQFM) 39.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT
(ABKW) 0.670 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE NUT
MATERIAL
(MATT) STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT
MATERIAL
(MATT) STEEL WASHER
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES
NUT COUNTERBORE DEPTH
(ADFK) 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM NUT
NUT STYLE
(ACTA) FLAT WITH TURNED UP EDGE
SPECIAL FEATURES
(FEAT) ROCKWELL C SCALE 40 MIN AND ROCKWELL C SCALE 45 MAX WASHER
WASHER OUTSIDE DIAMETER
(AAVX) 1.310 INCHES MAXIMUM
WIDTH ACROSS FLATS
(ASDB) 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL
TEMP RATING
(AZKQ) 450.0 FAHRENHEIT MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3B
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 16
MATERIAL
(MATT) STEEL COMP 4140 NUT OR STEEL COMP 4340 NUT OR STEEL COMP 8740 NUT

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