The Pin-Rivet, cataloged under National Stock Number 5320-01-391-7944, 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 19 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-7944 |
| Primary Part Number | HLT453SU-6-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN |
| Identification Code Color | BLUE |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 73197-HLT453 MANUFACTURERS STANDARD |
| Grip Length | 0.183 INCHES MINIMUM AND 0.193 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 | 2760 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| 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 | 0.3765 INCHES MINIMUM AND 0.3813 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 |
|---|---|
| HLT453SU-6-3 PRIMARY | Hi-Shear Corporation (USA) |
| HLT453SU-6-3 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT453SU-6-3 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT453SU-6-3 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 03A073-6-3A | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| HLT453SU-6-3 | 3/2 Design control — primary reference U.S. Government activity |
| HLT453SU-6-3 | 5/9 Secondary reference U.S. Government activity |
| HLT453SU-6-3 | 5/9 Secondary reference Sps Technologies Inc |
| AIC-L780V3K-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5320-01-391-7944 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-7944 has 4 manufacturer part numbers on file: HLT453SU-6-3 (Hi-Shear Corporation), HLT453SU-6-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT453SU-6-3 (Sps Technologies, Llc Dba PB Fasteners), HLT453SU-6-3 (Huck International, Inc).
Key specifications for HLT453SU-6-3: Shank Diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN; Identification Code Color: BLUE. 19 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.