The Pin-Rivet, cataloged under National Stock Number 5320-01-385-3770, 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 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-385-3770 |
| Primary Part Number | 03A076-16-66F |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Fastener Length | 4.800 INCHES MINIMUM AND 4.820 INCHES MAXIMUM IN |
| Tip Diameter | 0.4880 INCHES MINIMUM AND 0.4930 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Grip Length | 4.120 INCHES MINIMUM AND 4.130 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, 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 | 0.735 INCHES MINIMUM AND 0.770 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 |
|---|---|
| HLT452SS-16-66 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC-L782V8U66F | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT452SS-16-66 | Huck International, Inc (USA) |
| HLT452SS-16-66 | West Coast Aerospace, Inc. (USA) |
| 03A076-16-66F PRIMARY | Hi-Shear Corporation (USA) |
| HLT452SS-16-66 | Howmet Global Fastening Systems Inc (USA) |
| 03A076-16-66F PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT452SS-16-66 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A076-16-66F | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| HLT452SS-16-66 | 5/9 Secondary reference U.S. Government activity |
| HLT452SS-16-66 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT452SS-16-66 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-385-3770 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-385-3770 has 9 manufacturer part numbers on file: HLT452SS-16-66 (Sps Technologies, Llc Dba PB Fasteners), AIC-L782V8U66F (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT452SS-16-66 (Huck International, Inc), HLT452SS-16-66 (West Coast Aerospace, Inc.), 03A076-16-66F (Hi-Shear Corporation) and 4 more.
Key specifications for 03A076-16-66F: Shank Diameter: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Fastener Length: 4.800 INCHES MINIMUM AND 4.820 INCHES MAXIMUM IN. 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.