The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-678-3546, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-678-3546 |
| Primary Part Number | 8762943 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232, TYPE Z, CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE AND 57-0-2, TYPE 2, CLASS C MIL SPEC 2ND TREATMENT RESPONSE |
| Body Outside Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-S-633, COMP C1018-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-633, COMP C1025-CANCELED FED SPEC 2ND MATERIAL RESPONSE |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | PHOSPHATE ZINC OR PHOSPHATE |
| Material | STEEL COMP 1018 OR STEEL COMP 1025 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 8762943 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1015006783546 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5340-00-678-3546 is a Retainer,helical Compression Spr, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-678-3546 has 1 manufacturer part number on file: 8762943 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8762943: Overall Height: 0.880 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-P-16232, TYPE Z, CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE AND 57-0-2, TYPE 2, CLASS C MIL SPEC 2ND TREATMENT RESPONSE; Body Outside Diameter: 1.125 INCHES NOMINAL IN; Style Designator: IRREGULAR. 8 specifications are 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.