The Pin-Rivet, cataloged under National Stock Number 5320-00-498-3590, 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 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5320-00-498-3590 |
| Primary Part Number | HL18-5-5 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.162 INCHES NOMINAL IN |
| Head Height | 0.031 INCHES NOMINAL IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.312 INCHES NOMINAL IN |
| Width Between Flats | 0.077 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Major Diameter | 0.249 INCHES NOMINAL 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 |
|---|---|
| HL18-5-5 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| HL18-5-5 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL18-5-5 | 5/9 Secondary reference U.S. Government activity |
| HL18-5-5 | 5/9 Secondary reference U.S. Government activity |
| HL18-5-5 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL18-5-5 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HL18-5-5 | 6/9 Informative reference only Royal Malaysian Airforce |
NSN 5320-00-498-3590 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-498-3590 has 2 manufacturer part numbers on file: HL18-5-5 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), HL18-5-5 (Hi-Shear Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2805-00-816-7679. Verify interchangeability with system specifications before substitution.
Key specifications for HL18-5-5: Shank Diameter: 0.162 INCHES NOMINAL IN; Head Height: 0.031 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 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.