The Pin-Rivet, cataloged under National Stock Number 5320-01-540-0226, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-540-0226 |
| Primary Part Number | HK0099C12Y26 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.4052 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| 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 | 0.197 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.530 INCHES MINIMUM AND 0.600 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 |
|---|---|
| HK0099C12Y26 PRIMARY | Huck International, Inc (USA) |
| WC199A-12Y26 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST728AP-12-26 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST728AP-12-26 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| VS3422VAP12Y26 | 3/2 Design control — primary reference U.S. Government activity |
| 3D00995C12Y26 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-540-0226 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-540-0226 has 4 manufacturer part numbers on file: HK0099C12Y26 (Huck International, Inc), WC199A-12Y26 (West Coast Aerospace, Inc.), HST728AP-12-26 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST728AP-12-26 (Hi-Shear Corporation).
Key specifications for HK0099C12Y26: Shank Diameter: 0.4052 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 2.160 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN. 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.