The Pin-Rivet, cataloged under National Stock Number 5320-01-667-5787, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Houston Precision Fasteners I Lp. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-667-5787 |
| Primary Part Number | ST3M813D4-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Houston Precision Fasteners I Lp |
| Status | ACTIVE |
| Shank Diameter | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM OR CETYL ALCOHOL AND DRY FILM |
| Head Height | 0.0993 INCHES MINIMUM AND 0.1013 INCHES MAXIMUM IN |
| Fastener Length | 1.175 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2700,METHOD 1 OR 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Specification/standard Data | 76301-ST3-813 MANUFACTURERS STANDARD |
| Grip Length | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.470 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.5018 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| ST3M813D4-12 PRIMARY | Houston Precision Fasteners I Lp (USA) |
| ST3M813D4-12 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M813D4-12 | The Boeing Company Div Defense (USA) |
| HP4813D4-12 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT733DL-8-12 PRIMARY | Hi-Shear Corporation (USA) |
| HLT733DL-8-12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT733DL-8-12 PRIMARY | Huck International, Inc (USA) |
| HLT733DL-8-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT733TB-8-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT733TB-8-12 | 3/2 Design control — primary reference U.S. Government activity |
| HLT733TB-8-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-667-5787 is a Pin-Rivet, manufactured by Houston Precision Fasteners I Lp, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-667-5787 has 9 manufacturer part numbers on file: ST3M813D4-12 (Houston Precision Fasteners I Lp), ST3M813D4-12 (Fastener Innovation Technology, Inc. Dba F I T), ST3M813D4-12 (The Boeing Company Div Defense), HP4813D4-12 (Heartland Precision Fasteners Inc), HLT733DL-8-12 (Hi-Shear Corporation) and 4 more.
Key specifications for ST3M813D4-12: Shank Diameter: 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN; Lubrication: SOLID FILM OR CETYL ALCOHOL AND DRY FILM; Head Height: 0.0993 INCHES MINIMUM AND 0.1013 INCHES MAXIMUM IN; Fastener Length: 1.175 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN. 21 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.