The Pin-Rivet, cataloged under National Stock Number 5320-01-508-3175, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-508-3175 |
| Primary Part Number | HST528AP-8-22 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | I-SHEAR SPEC.294 MFR REF 6TH TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.122 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| 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 | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| HST528AP-8-22 PRIMARY | Hi-Shear Corporation (USA) |
| WC199A-8-22 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST528AP-8-22 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HK0099C8-22 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3422VAP8-22 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0099C8-22 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-508-3175 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-508-3175 has 4 manufacturer part numbers on file: HST528AP-8-22 (Hi-Shear Corporation), WC199A-8-22 (West Coast Aerospace, Inc.), HST528AP-8-22 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HK0099C8-22 (Huck International, Inc).
Key specifications for HST528AP-8-22: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Surface Treatment Document and Classification: I-SHEAR SPEC.294 MFR REF 6TH TREATMENT RESPONSE OVERALL. 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.