The Pin-Rivet, cataloged under National Stock Number 5320-01-458-4004, 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 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-458-4004 |
| Primary Part Number | HST528AP-12-18 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | HI-KOTE 1, SPEC NO. 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3750 INCHES IN |
| Grip Length | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.530 INCHES MINIMUM AND 0.600 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-12-18 PRIMARY | Hi-Shear Corporation (USA) |
| HST528AP-12-18 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST528AP-12-18 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HK0099C12-18 PRIMARY | Huck International, Inc (USA) |
| WC199A-12-18 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST528AP-12-18 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS3422VAP12-18 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3422VAP12-18 | 5/9 Secondary reference U.S. Government activity |
| HST528AP-12-18 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| VS3422VAP12-18 | 5/9 Secondary reference U.S. Government activity |
| HST528AP-12-18 | 5/9 Secondary reference Sps Technologies Inc |
| 3D0099C12-18 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-458-4004 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-458-4004 has 7 manufacturer part numbers on file: HST528AP-12-18 (Hi-Shear Corporation), HST528AP-12-18 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST528AP-12-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HK0099C12-18 (Huck International, Inc), WC199A-12-18 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for HST528AP-12-18: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN. 17 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.