The Pin-Rivet, cataloged under National Stock Number 5320-01-541-7392, 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 17 specifications, cited from the U.S. Government catalog. The record lists 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-541-7392 |
| Primary Part Number | HLT50YC-12-21 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Head Height | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Fastener Length | 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 99.0 DEGREES NOMINAL AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.524 INCHES MINIMUM AND 0.531 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 |
|---|---|
| HLT50YC-12-21 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-12-21 PRIMARY | Huck International, Inc (USA) |
| HLT50YB-12-21 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YC-12-21 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-12-21 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YC-12-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YB-12-21 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-12-21 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YC-12-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YB-12-21 | West Coast Aerospace, Inc. (USA) |
| ST3M759C6-21 | The Boeing Company Div Defense (USA) |
| HP4759-6-21 | Heartland Precision Fasteners Inc (USA) |
| HLT50YB-12-21 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-12-21 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YC-12-21 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT50YC-12-21 | 3/2 Design control — primary reference U.S. Government activity |
| HLT50YC-12-21 | 5/9 Secondary reference Sps Technologies Inc |
| HLT50YB-12-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-541-7392 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-541-7392 has 15 manufacturer part numbers on file: HLT50YC-12-21 (Hi-Shear Corporation), HLT50YB-12-21 (Huck International, Inc), HLT50YB-12-21 (Sps Technologies Ltd, Tj Brooks Division), HLT50YC-12-21 (West Coast Aerospace, Inc.), HLT50YC-12-21 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 10 more.
Key specifications for HLT50YC-12-21: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Head Height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Fastener Length: 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN. 17 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.