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NSN 5310-01-187-3481, 5310011873481
Cancelled -> Replaced by 5310010509658

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011873481
Codification Country
United States
Item Name Code
INC 05280
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 5310-01-187-3481

National Stock Number (NSN) 5310-01-187-3481, or NIIN 011873481, (nut,self-locking,plate) was assigned August 21, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5310010509658.

There are 2 manufacturer part numbers associated with this NSN. None of the associated 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 a year. There have been 13 contracts issued for this part number, with 13 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A623PJ676, SPE4A622V4183, SPE4A622V3055, SPE4A622V2965, SPE5E221V2167. The total value of the awarded contracts has been US$ 13,655.14.

This NSN is unique to one weapons system.

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 Feb 05, 2014, 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) 05280. [A NUT WITH A FLANGED BASE OF VARIED SHAPES WHICH MAY BE PLAIN OR MOUNTED BY RIVETS, BOLTS, WELDING OR INTEGRAL PRONGS. 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 5310011873481 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

DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER
(ADFW) 0.371 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH
(ADFY) 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM
COUNTERBORE DIAMETER
(AAWY) 0.280 INCHES MINIMUM NUT
FEATURES PROVIDED
(CBBL) FLOATING NUT
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES
NUT COUNTERBORE DEPTH
(ADFK) 0.125 INCHES MINIMUM NUT
NUT LENGTH
(ACVN) 0.967 INCHES MAXIMUM
NUT MOUNTING PROVISION
(ADFP) STRAIGHT HOLES
NUT STYLE
(ACTA) PLATE
NUT HEIGHT
(ADEA) 0.360 INCHES MAXIMUM
OVERALL HEIGHT
(ABKW) 0.745 INCHES MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION
(ABAJ) DRY FILM LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 3304 ASSN STD 1ST MATERIAL RESPONSE SEAL OR MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE SEAL
MATERIAL
(MATT) IRON ALLOY 660 SHELL
MATERIAL
(MATT) RUBBER SILICONE CLASS Q SEAL OR RUBBER FLUOROSILICONE CLASS FQ SEAL
MATERIAL
(MATT) STEEL NUT
MATERIAL
(MATT) STEEL WASHER
MOUNTING HOLE ARRANGEMENT STYLE
(ADFU) 2 HOLES
MOUNTING HOLE DIAMETER
(ABTB) 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
PLATE THICKNESS
(ADEB) 0.020 INCHES NOMINAL
PLATE WIDTH
(ADEC) 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 28
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT
(SFTT) CADMIUM NUT OR CHROMATE NUT
SURFACE TREATMENT
(SFTT) CADMIUM WASHER AND CHROMATE WASHER
SURFACE TREATMENT
(SFTT) PASSIVATE SHELL
TEMP RATING
(AZKQ) 450.0 DEG FAHRENHEIT NOMINAL

Manufacturer Part Numbers


Related Inventory

C4227E048-2
5310011873481
Condition NS
NUT
Readily Available


 
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