The Pin-Rivet, cataloged under National Stock Number 5320-01-504-2906, 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 18 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-504-2906 |
| Primary Part Number | HL220-18-26 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.5917 INCHES MINIMUM AND 0.5927 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Fastener Length | 2.385 INCHES MINIMUM AND 2.405 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TY II, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.5625 INCHES IN |
| Grip Length | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.2520 INCHES MINIMUM AND 0.2555 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Shear Strength | 52400 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.870 INCHES MINIMUM AND 0.905 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 |
|---|---|
| HL220-18-26 PRIMARY | Huck International, Inc (USA) |
| HL220-18-26 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL220-18-26 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL220-18-26 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HL220-18-26 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL220-18-26 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HL220-18-26 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
| HL220-18-26 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
NSN 5320-01-504-2906 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-504-2906 has 6 manufacturer part numbers on file: HL220-18-26 (Huck International, Inc), HL220-18-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL220-18-26 (Sps Technologies, Llc Dba PB Fasteners), HL220-18-26 (West Coast Aerospace, Inc.), HL220-18-26 (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 1 more.
Key specifications for HL220-18-26: Shank Diameter: 0.5917 INCHES MINIMUM AND 0.5927 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Fastener Length: 2.385 INCHES MINIMUM AND 2.405 INCHES MAXIMUM IN. 18 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.