The Pin-Rivet, cataloged under National Stock Number 5320-01-541-5173, 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 13 specifications, cited from the U.S. Government catalog. The record lists 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-541-5173 |
| Primary Part Number | HLT632YC-12-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.374 INCHES NOMINAL IN |
| Fastener Length | 1.473 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Width Between Flats | 0.158 INCHES MINIMUM AND 0.161 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 | 0.555 INCHES MINIMUM AND 0.560 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 |
|---|---|
| HLT632YC-12-15 PRIMARY | Hi-Shear Corporation (USA) |
| HLT632YC-12-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YC-12-15 | West Coast Aerospace, Inc. (USA) |
| HP4758D6-15 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-12-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-15 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-12-15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-12-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-12-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YB-12-15 | West Coast Aerospace, Inc. (USA) |
| ST3M758D6-15 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YB-12-15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-12-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-12-15 PRIMARY | Huck International, Inc (USA) |
| HLT631YB-12-15 | Huck International, Inc (USA) |
| AIC-L-771-12-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758D6-15 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HLT631YB-12-15 | 5/2 Secondary reference U.S. Government activity |
| HLT631YC-12-15 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-12-15 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YC-12-15 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-541-5173 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-541-5173 has 18 manufacturer part numbers on file: HLT632YC-12-15 (Hi-Shear Corporation), HLT632YC-12-15 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT631YC-12-15 (West Coast Aerospace, Inc.), HP4758D6-15 (Heartland Precision Fasteners Inc), HLT631YB-12-15 (Sps Technologies Ltd, Tj Brooks Division) and 13 more.
Key specifications for HLT632YC-12-15: Shank Diameter: 0.374 INCHES NOMINAL IN; Fastener Length: 1.473 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Nominal Thread Size: 0.375 INCHES IN. 13 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.