The Pin-Rivet, cataloged under National Stock Number 5320-01-431-8577, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-431-8577 |
| Primary Part Number | HSTM11-04-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 3.978 MILLIMETERS MINIMUM AND 3.990 MILLIMETERS MAXIMUM MM |
| Lubrication | CETYL ALCOHOL |
| Thread Tolerance Class | 4H EXTERNAL |
| Fastener Length | 12.86 MILLIMETERS MINIMUM AND 13.36 MILLIMETERS MAXIMUM MM |
| Identification Code Color | BLUE, VIOLET |
| Surface Treatment Document and Classification | 306, TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.70 |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.0 MILLIMETERS MM |
| Grip Length | 5.87 MILLIMETERS MINIMUM AND 6.13 MILLIMETERS MAXIMUM MM |
| Width Between Flats | 1.61 MILLIMETERS MINIMUM AND 1.64 MILLIMETERS MAXIMUM MM |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 16400 DOUBLE NEWTONS PER SQUARE MILLIMETER |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | ISO M |
| Head Major Diameter | 6.35 MILLIMETERS MINIMUM AND 6.49 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 |
|---|---|
| HSTM11-04-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HSTM11-04-6 PRIMARY | Hi-Shear Corporation (USA) |
NSN 5320-01-431-8577 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-431-8577 has 2 manufacturer part numbers on file: HSTM11-04-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HSTM11-04-6 (Hi-Shear Corporation).
Key specifications for HSTM11-04-6: Shank Diameter: 3.978 MILLIMETERS MINIMUM AND 3.990 MILLIMETERS MAXIMUM MM; Lubrication: CETYL ALCOHOL; Thread Tolerance Class: 4H EXTERNAL; Fastener Length: 12.86 MILLIMETERS MINIMUM AND 13.36 MILLIMETERS MAXIMUM MM. 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.