The Pin-Rivet, cataloged under National Stock Number 5320-01-391-3640, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-391-3640 |
| Primary Part Number | HST528DL-18-44 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL AND SOLID FILM |
| Head Height | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Fastener Length | 3.510 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN |
| 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 | 0.562 INCHES IN |
| Grip Length | 2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.252 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.842 INCHES MINIMUM AND 0.877 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 |
|---|---|
| HST528DL-18-44 | Hi-Shear Corporation (USA) |
| HST528DL-18-44 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST528DL-18-44 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 3D0099-18-44 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-391-3640 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-3640 has 3 manufacturer part numbers on file: HST528DL-18-44 (Hi-Shear Corporation), HST528DL-18-44 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST528DL-18-44 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HST528DL-18-44: Shank Diameter: 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL AND SOLID FILM; Head Height: 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Fastener Length: 3.510 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN. 15 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.