The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-237-2414, 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 6 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-237-2414 |
| Primary Part Number | 6757428 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Body Outside Diameter | 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | ASTM A108, GRADE 1117 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.177 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 1117 |
| 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 |
|---|---|
| 6757428 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5340-01-237-2414 is a Retainer,helical Compression Spr, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-237-2414 has 1 manufacturer part number on file: 6757428 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-346-6952. Verify interchangeability with system specifications before substitution.
Key specifications for 6757428: Overall Height: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Body Outside Diameter: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Style Designator: IRREGULAR; Material Document and Classification: ASTM A108, GRADE 1117 ASSN STD SINGLE MATERIAL RESPONSE. 6 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.