The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-416-5470, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-416-5470 |
| Primary Part Number | 21129-1019-1 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-200/8, ALLOY 6061, T6510 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-200/8, ALLOY 6061, T6511 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-250/11, ALLOY 6061, 0 FED SPEC 3RD MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 21129-1019-1 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 21129-24 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 5340-01-416-5470 is a Retainer,helical Compression Spr, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-416-5470 has 1 manufacturer part number on file: 21129-1019-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 21129-1019-1: Material Document and Classification: QQ-A-200/8, ALLOY 6061, T6510 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-200/8, ALLOY 6061, T6511 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-250/11, ALLOY 6061, 0 FED SPEC 3RD MATERIAL RESPONSE; Material: ALUMINUM ALLOY 6061. 2 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.