The Pin-Rivet, cataloged under National Stock Number 5320-00-438-9510, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-438-9510 |
| Primary Part Number | HL23-6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Fastener Length | 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OVERALL |
| Criticality Code Justification | AAZG AND AAZE AND AATB |
| Material Document and Classification | QQ-A-430 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3486 INCHES MINIMUM AND 0.3536 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HL23-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HL23-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL23-6-4 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL23-6-4 | 3/2 Design control — primary reference U.S. Government activity |
| STSAE020F06LA04 | 5/9 Secondary reference U.S. Government activity |
| HL23-6-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5320-00-438-9510 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-438-9510 has 3 manufacturer part numbers on file: HL23-6-4 (Hi-Shear Corporation), HL23-6-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL23-6-4 (West Coast Aerospace, Inc.).
Key specifications for HL23-6-4: Shank Diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Fastener Length: 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Heat Treatment: T-6 SOLUTION HEAT TREATED 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.