The Pin-Rivet, cataloged under National Stock Number 5320-01-458-1916, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-458-1916 |
| Primary Part Number | HST528AP-14-21 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.4265 INCHES NOMINAL IN |
| Head Height | 0.150 INCHES NOMINAL IN |
| Fastener Length | 1.962 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Grip Length | 1.317 INCHES MAXIMUM IN |
| Width Between Flats | 0.1895 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.592 INCHES NOMINAL 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-14-21 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HST528AP-14-21 PRIMARY | Hi-Shear Corporation (USA) |
| HST528AP-14-21 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST528AP-14-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HST528AP-14-21 | Huck International, Inc (USA) |
| HST528AP-14-21 | West Coast Aerospace, Inc. (USA) |
| HST528AP-14-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HST528AP-14-21 | 5/2 Secondary reference U.S. Government activity |
| HK0099C14-21 | 5/9 Secondary reference Huck International, Inc |
| 3D0099C14-21 | 5/9 Secondary reference U.S. Government activity |
| FIT7995C14-21 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| WC199A-14-21 | 5/9 Secondary reference West Coast Aerospace, Inc. |
NSN 5320-01-458-1916 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-458-1916 has 7 manufacturer part numbers on file: HST528AP-14-21 (Sps Technologies Ltd, Tj Brooks Division), HST528AP-14-21 (Hi-Shear Corporation), HST528AP-14-21 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST528AP-14-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HST528AP-14-21 (Huck International, Inc) and 2 more.
Key specifications for HST528AP-14-21: Shank Diameter: 0.4265 INCHES NOMINAL IN; Head Height: 0.150 INCHES NOMINAL IN; Fastener Length: 1.962 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.