The Pin-Rivet, cataloged under National Stock Number 5320-01-687-4841, 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 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-687-4841 |
| Primary Part Number | HL64PB-18-26 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.5761 INCHES MINIMUM AND 0.5771 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 | 2.395 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6327 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Nominal Thread Size | 0.5625 INCHES IN |
| Grip Length | 1.625 INCHES NOMINAL IN |
| Width Between Flats | 0.2520 INCHES MINIMUM AND 0.2555 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.842 INCHES MINIMUM AND 0.877 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 |
|---|---|
| HL64PB-18-26 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL64PB-18-26 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL64PB-18-26 | 5/9 Secondary reference U.S. Government activity |
| HL64PB-18-26 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL64PB-18-26 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HL64PB-18-26 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-687-4841 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-687-4841 has 1 manufacturer part number on file: HL64PB-18-26 (Hi-Shear Corporation).
Key specifications for HL64PB-18-26: Shank Diameter: 0.5761 INCHES MINIMUM AND 0.5771 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: 2.395 INCHES NOMINAL IN. 17 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.