The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-153-9240, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-153-9240 |
| Primary Part Number | 2AW303 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Flange Diameter | 1.250 INCHES NOMINAL IN |
| Flange Thickness | 0.074 INCHES NOMINAL IN |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Body Inside Diameter | 0.852 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.074 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE |
| Material | STEEL |
| End Hole Diameter | 0.520 INCHES NOMINAL 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 |
NSN 5340-01-153-9240 is a Retainer,helical Compression Spr, manufactured by Oshkosh Defense Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-153-9240 has 2 manufacturer part numbers on file: 1A0292 (Cross Mfg Co Inc), 2AW303 (Oshkosh Defense Llc).
Key specifications for 2AW303: Flange Diameter: 1.250 INCHES NOMINAL IN; Overall Height: 0.762 INCHES NOMINAL IN; Flange Thickness: 0.074 INCHES NOMINAL IN; Body Outside Diameter: 1.000 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.
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.