NSN 2530-00-342-1142, 2530003421142
TRUNNION ASSEMBLY

Federal Supply Classification: FSC 2530 - Vehicular Brake, Steering, Axle, Wheel, and Track Components
National Item Identification Number: NIIN 003421142
Codification Country: United States
Item Name Code: INC 77777
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 2530-00-342-1142

National Stock Number (NSN) 2530-00-342-1142, or NIIN 003421142, (trunnion assembly) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

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 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 assigned to Item Name Code (INC) 77777. 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 2530003421142 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSISTS OF 1 TUBE,PART NO. 8407187,AND 2 CAPS,PART NO. 8407205,TUBE MATERIAL,STEEL,FS1020-F1025,TYPE 1,CDSR,SPEC QQ-S-00643,3.500 IN. TUBE OD,0.438 IN. WALL THK,65.000 IN. LG,CAP MATERIAL,STEEL CASTING,CLASS 2,SPEC QQ-S-681,7.625 IN. CAP LG,5.375 IN. CAP W,FOUR 0.938 IN. DIA MTG HOLES PER CAP,HOLES SPACED 2.500 IN. C TO C ALONG W,6.125 IN. C TO C ALONG LG,TWO HOLES AT EACH END,0.750 IN. FROM HOLE CENTER TO ENDS,WELDED CONSTRUCTION