The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-135-3731, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Syntegra / Usa/ Inc Computer Parts and Supplies ARH205. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-135-3731 |
| Primary Part Number | 75259000 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Syntegra / Usa/ Inc Computer Parts and Supplies ARH205 |
| Status | ACTIVE |
| First Step Diameter | 0.8800 INCHES NOMINAL IN |
| Design Type | SOLID |
| Material Document and Classification | ASTM A582, TYPE 416 ASSN STD 1ST MATERIAL RESPONSE OR AISI 440A ASSN STD 2ND MATERIAL RESPONSE A |
| Counterbore Diameter | 0.81250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.76225 INCHES MINIMUM AND 0.76275 INCHES MAXIMUM IN |
| Material | STEEL COMP 416 OR STEEL COMP 440A A |
| 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 |
|---|---|
| 75259000 PRIMARY | Syntegra / Usa/ Inc Computer Parts and Supplies ARH205 (USA) |
| Reference | Meaning |
|---|---|
| 75259000 | 5/9 Secondary reference Magnetic Peripherals Inc Normandale Opns Sub of Control Data Corp |
NSN 5340-01-135-3731 is a Seat,helical Compression Spring, manufactured by Syntegra / Usa/ Inc Computer Parts and Supplies ARH205, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-135-3731 has 1 manufacturer part number on file: 75259000 (Syntegra / Usa/ Inc Computer Parts and Supplies ARH205).
Key specifications for 75259000: Overall Height: 0.2100 INCHES NOMINAL IN; First Step Diameter: 0.8800 INCHES NOMINAL IN; Design Type: SOLID; Material Document and Classification: ASTM A582, TYPE 416 ASSN STD 1ST MATERIAL RESPONSE OR AISI 440A ASSN STD 2ND MATERIAL RESPONSE A. 7 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.