The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-021-8875, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 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 | 5340-01-021-8875 |
| Primary Part Number | 312184 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Surface Treatment Document and Classification | VS1-3-1-1 FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE |
| Material Document and Classification | VS1-1-1-Z FSCM 62983 MFR REF SINGLE MATERIAL RESPONSE |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 312184 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5340-01-021-8875 is a Retainer,helical Compression Spr, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-021-8875 has 1 manufacturer part number on file: 312184 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 312184: Surface Treatment Document and Classification: VS1-3-1-1 FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE; Material Document and Classification: VS1-1-1-Z FSCM 62983 MFR REF SINGLE MATERIAL RESPONSE; Casehardening Indicator: NOT CASEHARDENED; Surface Treatment: ANODIZE. 5 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.