The Pin-Rivet, cataloged under National Stock Number 5320-00-101-5541, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-101-5541 |
| Primary Part Number | HL641-6-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Fastener Length | 0.558 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| 3M249C3-3 | West Coast Aerospace, Inc. (USA) |
| HL641-6-3 | Satair A/s (DNK) |
| HL641-6-3 PRIMARY | Hi-Shear Corporation (USA) |
| HL641-6-3 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M249C3-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 3M249C3-3 | 5/9 Secondary reference Tab Hardware, Inc. Dba Tab Hardware Inc |
| 3M249C3-3 | 5/2 Secondary reference U.S. Government activity |
| 3M249C3-3 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3M249C3-3 | 5/1 Secondary reference Wesco Aircraft Hardware Corp. Dba Incora |
| 3M249C3-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-00-101-5541 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-101-5541 has 5 manufacturer part numbers on file: 3M249C3-3 (West Coast Aerospace, Inc.), HL641-6-3 (Satair A/s), HL641-6-3 (Hi-Shear Corporation), HL641-6-3 (Fairchild Fasteners Europe - Vsd Gmbh), 3M249C3-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for HL641-6-3: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Fastener Length: 0.558 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED OVERALL; Head Style: FLUSH COUNTERSUNK. 15 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.