The Pin-Rivet, cataloged under National Stock Number 5320-01-398-1767, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-398-1767 |
| Primary Part Number | HLT612ST-6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Fastener Length | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 76823-03A076 MANUFACTURERS STANDARD |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 2750 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 5380 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.357 INCHES MINIMUM AND 0.377 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 |
|---|---|
| HLT612ST-6-4 PRIMARY | Huck International, Inc (USA) |
| HLT612ST-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT612ST-6-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HLT612ST-6-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A076-6-4FX | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| HLT612ST-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT612ST-6-4 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HLT612ST-6-4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT612ST-6-4 | 3/2 Design control — primary reference U.S. Government activity |
| 03A076-6-4FX | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| HLT612ST-6-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT612ST-6-4 | 5/9 Secondary reference Sps Technologies Inc |
| HLT612ST-6-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-398-1767 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-398-1767 has 8 manufacturer part numbers on file: HLT612ST-6-4 (Huck International, Inc), HLT612ST-6-4 (Hi-Shear Corporation), HLT612ST-6-4 (Howmet Global Fastening Systems Inc), HLT612ST-6-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 03A076-6-4FX (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems) and 3 more.
Key specifications for HLT612ST-6-4: Shank Diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Fastener Length: 0.600 INCHES MINIMUM AND 0.620 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.