The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-101-4206, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-101-4206 |
| Primary Part Number | 12011829 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Diameter | 1.125 INCHES NOMINAL IN |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Body Outside Diameter | 1.247 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.620 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| End Hole Diameter | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM 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 |
|---|---|
| 70751-02021-105 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 12011829 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-101-4206 is a Retainer,helical Compression Spr, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-101-4206 has 2 manufacturer part numbers on file: 70751-02021-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 12011829 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12011829: Flange Diameter: 1.125 INCHES NOMINAL IN; Overall Height: 3.125 INCHES NOMINAL IN; Flange Thickness: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 1.247 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN. 8 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.