The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-477-4978, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-477-4978 |
| Primary Part Number | HS5578-5 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Collar Overall Height | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OR AMS5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.15625 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| HS5578-5 | Hi-Shear Corporation (USA) |
| HS5578-5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HS5578-5 PRIMARY | The Boeing Company (USA) |
| HS5578-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HS5578-5 | 5/2 Secondary reference U.S. Government activity |
| HS5578-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5320-01-477-4978 is a Collar,pin-Rivet, manufactured by The Boeing Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-477-4978 has 4 manufacturer part numbers on file: HS5578-5 (Hi-Shear Corporation), HS5578-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HS5578-5 (The Boeing Company), HS5578-5 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HS5578-5: Lubrication: SOLID FILM; Collar Inside Diameter: 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN; Collar Overall Height: 0.427 INCHES MINIMUM AND 0.447 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.