The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-203-2489, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-203-2489 |
| Primary Part Number | 3163809-6 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| First Step Diameter | 0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN |
| End Diameter | 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0270 INCHES MINIMUM AND 0.0330 INCHES MAXIMUM IN |
| Design Type | SPLIT |
| Style Designator | SEAT |
| Material Document and Classification | QQ-S-763, CLASS 347 FED SPEC 1ST MATERIAL RESPONSE AND AMS 5512 ASSN STD 2ND MATERIAL RESPONSE |
| Bore Diameter | 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN |
| Material | STEEL COMP 347 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3163809-6 | Boeing Distribution Services X, Inc. (USA) |
| 3163809-6 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 10112960 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3163809-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-203-2489 is a Seat,helical Compression Spring, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-203-2489 has 2 manufacturer part numbers on file: 3163809-6 (Boeing Distribution Services X, Inc.), 3163809-6 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3163809-6: Overall Height: 0.0780 INCHES NOMINAL IN; First Step Diameter: 0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN; End Diameter: 0.2500 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN; Distance From End to First Step: 0.0270 INCHES MINIMUM AND 0.0330 INCHES MAXIMUM IN. 8 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.