The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-125-8223, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-125-8223 |
| Primary Part Number | 3930AS431 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Diameter | 1.775 INCHES NOMINAL IN |
| FSC Application Data | LAUNCHER,GUIDED MISSILE,AIRCRAFT LAU-116/A |
| Flange Thickness | 0.643 INCHES NOMINAL IN |
| Body Outside Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Outside Chamfer Angle in Deg | 45.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | CHROMIUM |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3930AS431 | Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co (USA) |
| 3930AS431 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3930AS431 | Vertex Modernization and Sustainment Llc (USA) |
| 3930AS431 | Garrity Tool Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10112481 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A733041-2007 | 5/9 Secondary reference U.S. Government activity |
| 74A733041-2007 | 5/9 Secondary reference The Boeing Company Div Defense |
| 74A733041 | 5/9 Secondary reference S & L Aerospace Metals Llc |
NSN 5340-01-125-8223 is a Retainer,helical Compression Spr, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-125-8223 has 4 manufacturer part numbers on file: 3930AS431 (Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co), 3930AS431 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3930AS431 (Vertex Modernization and Sustainment Llc), 3930AS431 (Garrity Tool Company, Llc).
Key specifications for 3930AS431: Flange Diameter: 1.775 INCHES NOMINAL IN; Overall Height: 10.125 INCHES NOMINAL IN; FSC Application Data: LAUNCHER,GUIDED MISSILE,AIRCRAFT LAU-116/A; Flange Thickness: 0.643 INCHES NOMINAL IN. 10 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.
NSN 5340-01-125-8223 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.