The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-317-4162, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-317-4162 |
| Primary Part Number | 6309948 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First Step Diameter | 2.6200 INCHES NOMINAL IN |
| End Diameter | 2.4000 INCHES NOMINAL IN |
| Countersink Diameter | 2.4000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 0.3800 INCHES NOMINAL IN |
| Design Type | SOLID |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-200/8, ALLOY 6061, T6510 FED SPEC 2ND MATERIAL RESPONSE |
| Counterbore Length | 0.4550 INCHES NOMINAL IN |
| Second Step Diameter | 3.7410 INCHES MINIMUM AND 3.7420 INCHES MAXIMUM IN |
| Counterbore Diameter | 2.3300 INCHES NOMINAL IN |
| First Step Length | 0.7750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 1.3740 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 6309948 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6309948 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 5340-01-317-4162 is a Seat,helical Compression Spring, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-317-4162 has 1 manufacturer part number on file: 6309948 (Naval Sea Systems Command).
Key specifications for 6309948: Overall Height: 1.3800 INCHES NOMINAL IN; First Step Diameter: 2.6200 INCHES NOMINAL IN; End Diameter: 2.4000 INCHES NOMINAL IN; Countersink Diameter: 2.4000 INCHES NOMINAL IN. 14 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.