The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-111-7921, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-111-7921 |
| Primary Part Number | CA2085 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Body Outside Diameter | 0.347 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | ASTM A582, TY 303 OR 303SE OR XM-2 OR XM-3 OR XM-5 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.290 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.012 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X |
| End Hole Diameter | 0.200 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 |
| Part Number | Manufacturer |
|---|---|
| CA2085 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 6133912-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5340-01-111-7921 is a Retainer,helical Compression Spr, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-111-7921 has 1 manufacturer part number on file: CA2085 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA2085: Overall Height: 0.040 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Body Outside Diameter: 0.347 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN; Style Designator: IRREGULAR. 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.