The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-283-3673, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-283-3673 |
| Primary Part Number | 20256-1005-1 |
| 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 |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-225/8,ALLOY 6061,T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8,T6510 OR T6511 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/11,T651 FED SPEC 3RD MATERIAL RESPONSE OR MIL-A-22771,T652 MIL SPEC 4TH MATERIAL RESPONSE |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | ANODIZE |
| 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 |
|---|---|
| 20256-1005-1 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 20256 FIND 13 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 5340-01-283-3673 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 5340-01-283-3673 has 1 manufacturer part number on file: 20256-1005-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 20256-1005-1: Surface Treatment Document and Classification: MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-225/8,ALLOY 6061,T651 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8,T6510 OR T6511 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/11,T651 FED SPEC 3RD MATERIAL RESPONSE OR MIL-A-22771,T652 MIL SPEC 4TH 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.