The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-863-4172, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-863-4172 |
| Primary Part Number | 99739-2 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Body Outside Diameter | 0.743 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 |
| End Hole Diameter | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 99739-2 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 99739-2 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 99739-2 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 99739-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-863-4172 is a Retainer,helical Compression Spr, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-863-4172 has 2 manufacturer part numbers on file: 99739-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 99739-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 99739-2: Overall Height: 0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Body Outside Diameter: 0.743 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Style Designator: IRREGULAR; Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 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.