The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-391-7879, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-7879 |
| Primary Part Number | HST1483CYWY-8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL AND SOLID FILM |
| Identification Code Color | ORANGE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Collar Overall Height | 0.540 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Heat Treatment | T-73 SOLUTION HEAT TREATED COLLAR |
| Material Document and Classification | AMS4902 ASSN STD 1ST MATERIAL RESPONSE OR MIL-T-9046 MIL SPEC 2ND MATERIAL RESPONSE WASHER |
| Material Document and Classification | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Specification/standard Data | 88277-3D0141 MANUFACTURERS STANDARD |
| Surface Treatment | ANODIZE COLLAR |
| Thread Class | 3B |
| Material | ALUMINUM ALLOY 7075 BODY |
| Material | TITANIUM WASHER |
| 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 |
|---|---|
| HST1483CYWY-8 PRIMARY | Hi-Shear Corporation (USA) |
| HST1483CYWY-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| VN2016-8 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0141-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-391-7879 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-7879 has 2 manufacturer part numbers on file: HST1483CYWY-8 (Hi-Shear Corporation), HST1483CYWY-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HST1483CYWY-8: Lubrication: CETYL ALCOHOL AND SOLID FILM; Identification Code Color: ORANGE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN. 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.