The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-258-5954, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Defense Logistics Agency Dba Defense Supply Center Philadelphia (CAGE 14153); Meggitt Aircraft Braking Systems Corporation (CAGE 0B9R9) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-258-5954 |
| Primary Part Number | GY20RET8 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 02616 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| GY20RET8 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GY20RET8 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 5340-01-258-5954 is a Retainer,helical Compression Spr, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-258-5954 has 2 manufacturer part numbers on file: 02616 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), GY20RET8 (Meggitt Aircraft Braking Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 9150-01-632-7304, 2590-01-670-3320, 5350-01-679-7682. Verify interchangeability with system specifications before substitution.
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.