The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-331-7693, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-331-7693 |
| Primary Part Number | HL273DY-8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Collar Overall Height | 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HL273DY-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL273DY-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL273DY-8 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL273DY-8 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-331-7693 is a Collar,pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-331-7693 has 3 manufacturer part numbers on file: HL273DY-8 (Sps Technologies, Llc Dba PB Fasteners), HL273DY-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL273DY-8 (Hi-Shear Corporation).
Key specifications for HL273DY-8: Lubrication: SOLID FILM; Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN; Collar Overall Height: 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 12 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.