The Pin-Rivet, cataloged under National Stock Number 5320-01-161-9299, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-161-9299 |
| Primary Part Number | HL41-4-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.137 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Fastener Length | 0.468 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5731 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Grip Length | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Width Between Flats | 0.064 INCHES MINIMUM AND 0.065 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 |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.217 INCHES MINIMUM AND 0.221 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 |
|---|---|
| HL41-4-3 | Howmet Global Fastening Systems Inc (USA) |
| HL41-4-3 PRIMARY | Hi-Shear Corporation (USA) |
| ST2263-03 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| HL41-4-3 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL41-4-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HL41-4-3 | 5/9 Secondary reference U.S. Government activity |
| ST25D60-4-3 | 5/9 Secondary reference Lockheed Martin Corp |
NSN 5320-01-161-9299 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-161-9299 has 5 manufacturer part numbers on file: HL41-4-3 (Howmet Global Fastening Systems Inc), HL41-4-3 (Hi-Shear Corporation), ST2263-03 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), HL41-4-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL41-4-3 (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-443-4395. Verify interchangeability with system specifications before substitution.
Key specifications for HL41-4-3: Shank Diameter: 0.137 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Fastener Length: 0.468 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN; Material Document and Classification: AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5731 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Head Style: FLUSH COUNTERSUNK. 16 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.