The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-323-7868, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-323-7868 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Flange Diameter | 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| FSC Application Data | GEARBOX,ACCESSORY DRIVE,TURBINE ENGINE |
| Flange Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Style Designator | PARALLEL |
| Material Document and Classification | QQ-S-764-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE |
| Body Inside Diameter | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Lip Thickness | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Material | STEEL OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 |
| End Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 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 |
| Reference | Meaning |
|---|---|
| 366208-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-323-7868 is a Retainer,helical Compression Spr, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-323-7868: Flange Diameter: 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Overall Height: 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; FSC Application Data: GEARBOX,ACCESSORY DRIVE,TURBINE ENGINE; Flange Thickness: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM 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.