The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-977-3005, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-977-3005 |
| Primary Part Number | 370617-3 |
| 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 |
| Countersink Angle in Deg | 45.0 |
| FSC Application Data | VALVE,REGULATING,NONPOWERED 4820001998567 363799-1 |
| First Step Diameter | 0.6800 INCHES MINIMUM AND 0.7000 INCHES MAXIMUM IN |
| End Diameter | 0.5650 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN |
| Countersink Diameter | 0.2110 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.0600 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Counterbore Length | 0.0100 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.1910 INCHES MINIMUM AND 0.1950 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 |
|---|---|
| 370617-3 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 370617-3 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 370617-3 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 370617-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-977-3005 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 5340-00-977-3005 has 2 manufacturer part numbers on file: 370617-3 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 370617-3 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 370617-3: Overall Height: 0.1600 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN; Countersink Angle in Deg: 45.0; FSC Application Data: VALVE,REGULATING,NONPOWERED 4820001998567 363799-1; First Step Diameter: 0.6800 INCHES MINIMUM AND 0.7000 INCHES MAXIMUM IN. 12 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.