The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-501-5071, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-501-5071 |
| Primary Part Number | 3637AS102-1 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mission Systems Davenport Inc. |
| Status | ACTIVE |
| End Diameter | 2.8700 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Distance From End to First Step | 0.8050 INCHES NOMINAL IN |
| Style Designator | SEAT |
| Surface Treatment | PASSIVATE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3637AS102-1 | Machining Solutions, Inc. (USA) |
| 3637AS102-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3637AS102-1 PRIMARY | Mission Systems Davenport Inc. (USA) |
NSN 5340-01-501-5071 is a Seat,helical Compression Spring, manufactured by Mission Systems Davenport Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-501-5071 has 3 manufacturer part numbers on file: 3637AS102-1 (Machining Solutions, Inc.), 3637AS102-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3637AS102-1 (Mission Systems Davenport Inc.).
Key specifications for 3637AS102-1: Overall Height: 1.2 INCHES NOMINAL IN; End Diameter: 2.8700 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Distance From End to First Step: 0.8050 INCHES NOMINAL IN. 5 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.