The Pin-Rivet, cataloged under National Stock Number 5320-01-629-7694, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5320-01-629-7694 |
| Primary Part Number | HST729AP-8Y10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Shank Diameter | 0.2410 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.796 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Fastener Length | 1.020 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DPS 4.50-197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.625 INCHES NOMINAL IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM ALLOY AND CHROMATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.054 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HST729AP-8Y10 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| WC197A-8Y10 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HK0097C8Y10 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0097C8Y10 | 5/2 Secondary reference U.S. Government activity |
| VS3437VAPAP8Y10 | 5/9 Secondary reference Bolt Beranek and Newman Inc International Studies Div |
NSN 5320-01-629-7694 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-629-7694 has 3 manufacturer part numbers on file: HST729AP-8Y10 (Howmet Global Fastening Systems Inc Div City of Industry Operations), WC197A-8Y10 (West Coast Aerospace, Inc.), HK0097C8Y10 (Huck International, Inc).
Key specifications for HST729AP-8Y10: Shank Diameter: 0.2410 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.796 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Fastener Length: 1.020 INCHES NOMINAL IN. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.