The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-558-2888, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-558-2888 |
| Primary Part Number | S9404-60 |
| 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 |
| FSC Application Data | AIRCRAFT AIRCONDITIONING SYSTEM |
| First Step Diameter | 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN |
| End Diameter | 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0400 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.1640 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| S9404-60 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| S9404-60 | Boeing Distribution Services X, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S9404-60 | 5/9 Secondary reference U.S. Government activity |
| 10117398 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-00-558-2888 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 5340-00-558-2888 has 2 manufacturer part numbers on file: S9404-60 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), S9404-60 (Boeing Distribution Services X, Inc.).
Key specifications for S9404-60: Overall Height: 0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN; FSC Application Data: AIRCRAFT AIRCONDITIONING SYSTEM; First Step Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; End Diameter: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN. 9 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.