The Pin-Rivet, cataloged under National Stock Number 5320-01-694-8973, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-694-8973 |
| Primary Part Number | HSTM12AZ08-25 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 7.962 MILLIMETERS MINIMUM AND 7.987 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 4H EXTERNAL |
| Head Height | 2.80 MILLIMETERS MINIMUM AND 3.05 MILLIMETERS MAXIMUM MM |
| Fastener Length | 34.40 MILLIMETERS MINIMUM AND 34.90 MILLIMETERS MAXIMUM MM |
| Chamfer Length | 1.2 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 8.0 MILLIMETERS MM |
| Grip Length | 24.87 MILLIMETERS MINIMUM AND 25.13 MILLIMETERS MAXIMUM MM |
| Width Between Flats | 4.05 MILLIMETERS MINIMUM AND 4.60 MILLIMETERS MAXIMUM MM |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Shear Strength | 65800 DOUBLE NEWTONS PER SQUARE MILLIMETER |
| Material | TITANIUM ALLOY OVERALL |
| Head Major Diameter | 12.25 MILLIMETERS MINIMUM AND 12.85 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| HSTM12AZ08-25 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| HSTM12AZ08-25 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HSTM12 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-694-8973 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-694-8973 has 2 manufacturer part numbers on file: HSTM12AZ08-25 (Leonardo Spa Helicopters Division - Production Site), HSTM12AZ08-25 (Hi-Shear Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5320-01-694-8985, 5320-01-694-8988. Verify interchangeability with system specifications before substitution.
Key specifications for HSTM12AZ08-25: Shank Diameter: 7.962 MILLIMETERS MINIMUM AND 7.987 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 4H EXTERNAL; Head Height: 2.80 MILLIMETERS MINIMUM AND 3.05 MILLIMETERS MAXIMUM MM; Fastener Length: 34.40 MILLIMETERS MINIMUM AND 34.90 MILLIMETERS MAXIMUM MM. 15 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.