The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-431-9181, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-431-9181 |
| Primary Part Number | 7058170 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Body Outside Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Inside Chamfer Depth | 0.001 INCHES NOMINAL IN |
| Body Inside Diameter | 1.438 INCHES NOMINAL IN |
| Outside Chamfer Angle in Deg | 90.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| Outside Chamfer Depth | 0.001 INCHES NOMINAL IN |
| Inside Chamfer Angle in Deg | 90.0 |
| End Hole Diameter | 0.650 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7058170 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 7058170 | 5/9 Secondary reference General Motors Corp |
NSN 5340-00-431-9181 is a Retainer,helical Compression Spr, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-431-9181 has 1 manufacturer part number on file: 7058170 (Rolls-Royce Solutions America Inc).
Key specifications for 7058170: Overall Height: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 1.500 INCHES NOMINAL IN; Style Designator: PARALLEL; Inside Chamfer Depth: 0.001 INCHES NOMINAL IN. 10 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.