The Pin-Rivet, cataloged under National Stock Number 5320-01-541-5183, 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 14 specifications, cited from the U.S. Government catalog. The record lists 17 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-541-5183 |
| Primary Part Number | HLT631YC-10-17 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN |
| Width Between Flats | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.468 INCHES MINIMUM AND 0.473 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 |
|---|---|
| HLT631YB-10-17 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-10-17 PRIMARY | Huck International, Inc (USA) |
| HLT632YC-10-17 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-10-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-10-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-10-17 | Hi-Shear Corporation (USA) |
| HLT631YB-10-17 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-10-17 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT632YC-10-17 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YB-10-17 PRIMARY | Huck International, Inc (USA) |
| AIC-L-771-10-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-10-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-10-17 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-10-17 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-10-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M758D5-17 PRIMARY | The Boeing Company Div Defense (USA) |
| HP4758D5-17 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT631YC-10-17 | 5/2 Secondary reference U.S. Government activity |
| HLT631YB-10-17 | 5/2 Secondary reference U.S. Government activity |
| HLT631YC-10-17 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-10-17 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-541-5183 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-541-5183 has 17 manufacturer part numbers on file: HLT631YB-10-17 (Sps Technologies Ltd, Tj Brooks Division), HLT631YC-10-17 (Huck International, Inc), HLT632YC-10-17 (Hi-Shear Corporation), HLT631YC-10-17 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT631YB-10-17 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 12 more.
Key specifications for HLT631YC-10-17: Shank Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Thread Direction: RIGHT-HAND. 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.