The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-962-9436, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-962-9436 |
| Primary Part Number | S6265-62581-000 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Countersink Angle in Deg | 60.0 |
| First Step Diameter | 0.9370 INCHES NOMINAL IN |
| End Diameter | 0.5780 INCHES NOMINAL IN |
| Countersink Diameter | 0.5930 INCHES NOMINAL IN |
| Distance From End to First Step | 0.1220 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.5150 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| S6265-62581-000 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6265-62581 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5340-00-962-9436 is a Seat,helical Compression Spring, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-962-9436 has 1 manufacturer part number on file: S6265-62581-000 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6265-62581-000: Overall Height: 0.1870 INCHES NOMINAL IN; Countersink Angle in Deg: 60.0; First Step Diameter: 0.9370 INCHES NOMINAL IN; End Diameter: 0.5780 INCHES NOMINAL 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.