The Pin-Rivet, cataloged under National Stock Number 5320-01-720-5845, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-720-5845 |
| Primary Part Number | ST3M812D3-2 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Head Height | 0.0394 INCHES MINIMUM AND 0.0415 INCHES MAXIMUM IN |
| Fastener Length | 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700,METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1900 INCHES IN |
| Grip Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN |
| 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 |
|---|---|
| ST3M812D3-2 | Houston Precision Fasteners I Lp (USA) |
| ST3M812D3-2 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M812D3-2 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HP4812D3-2 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M812 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5320-01-720-5845 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-720-5845 has 4 manufacturer part numbers on file: ST3M812D3-2 (Houston Precision Fasteners I Lp), ST3M812D3-2 (The Boeing Company Div Defense), ST3M812D3-2 (Fastener Innovation Technology, Inc. Dba F I T), HP4812D3-2 (Heartland Precision Fasteners Inc).
Key specifications for ST3M812D3-2: Shank Diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Head Height: 0.0394 INCHES MINIMUM AND 0.0415 INCHES MAXIMUM IN; Fastener Length: 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN. 20 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.