The Pin-Rivet, cataloged under National Stock Number 5320-01-531-2979, 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 20 specifications, cited from the U.S. Government catalog. The record lists 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-531-2979 |
| Primary Part Number | HL448-5-2 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Fastener Length | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| HL448-5-2 PRIMARY | Hi-Shear Corporation (USA) |
| HL448-5-2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MB5A2 | West Coast Aerospace, Inc. (USA) |
| BACB30MB5A2 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30MB5A2 | Huck International, Inc (USA) |
| HL448-5-2 | West Coast Aerospace, Inc. (USA) |
| HL448-5-2 | Howmet Global Fastening Systems Inc (USA) |
| BACB30MB5A2 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MB5A2 | Hi-Shear Corporation (USA) |
| BACB30MB5A2 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL448-5-2 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30MB5A2 | Howmet Global Fastening Systems Inc (USA) |
| HL448-5-2 | Huck International, Inc (USA) |
| HL448-5-2 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30MB5A2 | 7/2 Vendor item drawing reference U.S. Government activity |
| HL448-5-2 | 5/1 Secondary reference Aviaquip Holdings Pty Ltd |
| HL448-5-2 | 5/9 Secondary reference Howmet Global Fastening Systems Inc Div City of Industry Operations |
NSN 5320-01-531-2979 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-531-2979 has 14 manufacturer part numbers on file: HL448-5-2 (Hi-Shear Corporation), HL448-5-2 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MB5A2 (West Coast Aerospace, Inc.), BACB30MB5A2 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30MB5A2 (Huck International, Inc) and 9 more.
Key specifications for HL448-5-2: Shank Diameter: 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Fastener Length: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN. 20 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.