The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-079-8449, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-079-8449 |
| Primary Part Number | 23012895 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| 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 |
|---|---|
| DAX10546 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 12288012 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 23012895 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 23011014 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 12267284 | 5/2 Secondary reference U.S. Government activity |
| 12267284 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-079-8449 is a Retainer,helical Compression Spr, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-079-8449 has 3 manufacturer part numbers on file: DAX10546 (Allison Transmission Inc Dba Allison Transmission, Inc), 12288012 (U S Army Tank Automotive Command Amsta-Im-Mm), 23012895 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23012895: Casehardening Indicator: NOT CASEHARDENED; Special Features: 2350-01-087-1095 TANK,CMBT,M1A1,ARMORED; Material: STEEL. 2 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.