The Pin-Rivet, cataloged under National Stock Number 5320-01-042-8901, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-042-8901 |
| Primary Part Number | HL61-8-26 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 2.010 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5628 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-18732 TY 431 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | STEEL COMP 431 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3898 INCHES MINIMUM AND 0.3948 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 |
|---|---|
| GB510E4-26 | West Coast Aerospace, Inc. (USA) |
| GB510E4-26 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB510E4-26 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB510E4-26 | Hi-Shear Corporation (USA) |
| HL61-8-26 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| GB510E4-26 | 5/2 Secondary reference U.S. Government activity |
| GB510E4-26 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5320-01-042-8901 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-042-8901 has 5 manufacturer part numbers on file: GB510E4-26 (West Coast Aerospace, Inc.), GB510E4-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB510E4-26 (Sps Technologies, Llc Dba PB Fasteners), GB510E4-26 (Hi-Shear Corporation), HL61-8-26 (Hi-Shear Corporation).
Key specifications for HL61-8-26: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 2.010 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.