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NSN 5340-01-295-3978, 5340012953978
STANDOFF,THREADED,SPACING

Federal Supply Classification
FSC 5340 - Hardware, Commercial
National Item Identification Number
NIIN 012953978
Codification Country
United States
Item Name Code
INC 40280
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
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
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DLMS® Summary

National Stock Number 5340-01-295-3978

National Stock Number (NSN) 5340-01-295-3978, or NIIN 012953978, (standoff,threaded,spacing) was assigned March 4, 1989 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 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 40280. [A STANDOFF THAT MUST HAVE A THREADED END(S) OR BE INTERNALLY THREADED ITS FULL LENGTH. FOR ITEMS HAVING EXTERNAL THREADS ON BOTH ENDS, SEE STUD (AS MODIFIED). FOR ITEMS WITH AN OUTSIDE CONTOUR THAT IS THE SAME FOR THE ENTIRE LENGTH, ARE FLAT ON TOP AND BOTTOM, HAVING INTERNAL THREADS ITS FULL LENGTH, AND THE LENGTH DOES NOT EXCEED TWICE THE WIDTH ACROSS THE FLATS OR OUTSIDE DIAMETER, SEE NUT (AS MODIFIED); USE MAXIMUM DIMENSIONS(S) FOR 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 information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340012953978 does not contain precious metals.

This information was last updated on .


Technical Characteristics

FIRST INTERNAL THREAD LENGTH (NON-CORE)
(CMPR) 0.620 INCHES NOMINAL
MATERIAL (NON-CORE)
(MATL) STEEL
SURFACE TREATMENT (NON-CORE)
(SURF) PASSIVATED, QQ-P-35
FIRST PROJECTION DIAMETER (NON-CORE)
(CMPB) 0.250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE
(ANLR) HEXAGON
LENGTH
(ABRY) 1.800 INCHES NOMINAL
WIDTH ACROSS FLATS
(ASDB) 0.500 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) LEFT INTERNAL AND RIGHT EXTERNAL THREAD
EXTERNAL THREAD LENGTH (NON-CORE)
(ABXU) 0.408 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
FIRST INTERNAL THREAD CHARACTERISTICS (NON-CORE)
(CMPT) 0.250-20 UNC-2B
FIRST PROJECTION LENGTH (NON-CORE)
(CMNY) 0.500 INCHES NOMINAL
EXTERNAL THREAD CHARACTERISTICS (NON-CORE)
(CMPX) 0.250-20 UNC-2A

Manufacturer Part Numbers


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