The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-009-2184, 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 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-009-2184 |
| Primary Part Number | 6834681 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Flange Diameter | 5.160 INCHES NOMINAL IN |
| Flange Thickness | 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Body Outside Diameter | 3.985 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN |
| Material Document and Classification | SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 3.640 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 1010 |
| 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 |
|---|---|
| 6834681 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5340-00-009-2184 is a Retainer,helical Compression Spr, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-009-2184 has 1 manufacturer part number on file: 6834681 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6834681: Flange Diameter: 5.160 INCHES NOMINAL IN; Overall Height: 0.190 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Flange Thickness: 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Body Outside Diameter: 3.985 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN. 7 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.