The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-731-1903, 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 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-731-1903 |
| Primary Part Number | HST915TP16 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Identification Code Color | ORANGE |
| Collar Inside Diameter | 0.522 INCHES MINIMUM AND 0.528 INCHES MAXIMUM IN |
| Collar Overall Height | 0.765 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.842 INCHES MINIMUM AND 0.848 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5643 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.5000 INCHES IN |
| Specification/standard Data | 73197-HST915 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| HST915TP16 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HST915 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-731-1903 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-731-1903 has 1 manufacturer part number on file: HST915TP16 (Hi-Shear Corporation).
Key specifications for HST915TP16: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Identification Code Color: ORANGE; Collar Inside Diameter: 0.522 INCHES MINIMUM AND 0.528 INCHES MAXIMUM IN; Collar Overall Height: 0.765 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN. 14 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.