The Trunnion Assembly, cataloged under National Stock Number 2530-00-342-1142, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-342-1142 |
| Primary Part Number | 8408989 |
| Item Name | Trunnion Assembly |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | 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 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8408989 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3NP19 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2530-00-342-1142 is a Trunnion Assembly, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-342-1142 has 1 manufacturer part number on file: 8408989 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8408989: General Characteristics Item Description: 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 IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.