The Pin-Rivet, cataloged under National Stock Number 5320-01-597-3248, 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 19 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-597-3248 |
| Primary Part Number | HL32PB-8-31 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 2.322 INCHES MINIMUM AND 2.342 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYP II, CLS 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5628 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.937 INCHES NOMINAL IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 431 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| HL32PB-8-31 PRIMARY | Huck International, Inc (USA) |
| HL32PB-8-31 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL32PB-8-31 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL32PB-8-31 PRIMARY | Hi-Shear Corporation (USA) |
| HL32PB-8-31 | West Coast Aerospace, Inc. (USA) |
| HL32PB-8-31 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL32PB-8-31 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HL32PB-8-31 | 3/2 Design control — primary reference U.S. Government activity |
| HL32PB-8-31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-597-3248 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-597-3248 has 7 manufacturer part numbers on file: HL32PB-8-31 (Huck International, Inc), HL32PB-8-31 (Sps Technologies Ltd, Tj Brooks Division), HL32PB-8-31 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL32PB-8-31 (Hi-Shear Corporation), HL32PB-8-31 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for HL32PB-8-31: Shank Diameter: 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 2.322 INCHES MINIMUM AND 2.342 INCHES MAXIMUM IN. 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.