The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-533-0537, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-533-0537 |
| Primary Part Number | HL75V-6A |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Collar Inside Diameter | 0.255 INCHES NOMINAL IN |
| Collar Overall Height | 0.427 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.355 INCHES MINIMUM IN |
| Material Document and Classification | 17-4PH PER AMS5643 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Material | STEEL COMP 631 WASHER |
| 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 |
|---|---|
| HL75V-6A PRIMARY | Hi-Shear Corporation (USA) |
| HL75V-6A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL75V-6A | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| HL75V-6A | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HL75V-6A | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
NSN 5320-01-533-0537 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-533-0537 has 2 manufacturer part numbers on file: HL75V-6A (Hi-Shear Corporation), HL75V-6A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for HL75V-6A: Collar Inside Diameter: 0.255 INCHES NOMINAL IN; Collar Overall Height: 0.427 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE; Collar Outside Diameter: 0.355 INCHES MINIMUM IN. 6 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.