The Pin-Rivet, cataloged under National Stock Number 5320-01-564-0799, 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 13 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-564-0799 |
| Primary Part Number | ST3M813D4-25 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Fastener Length | 1.987 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.501 INCHES MINIMUM AND 0.506 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 |
|---|---|
| HLT733DL-8-25 | Huck International, Inc (USA) |
| HLT733DL-8-25 | West Coast Aerospace, Inc. (USA) |
| HLT733DL-8-25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT733TB-8-25 | Huck International, Inc (USA) |
| HLT733DL-8-25 | Hi-Shear Corporation (USA) |
| ST3M813D4-25 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT733TB-8-25 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT733TB-8-25 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M813D4-25 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT733DL-8-25 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HP4813D4-25 | Heartland Precision Fasteners Inc (USA) |
| ST3M813D4-25 | Houston Precision Fasteners I Lp (USA) |
| HLT733TB-8-25 | Hi-Shear Corporation (USA) |
| HLT733TB-8-25 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT733TB-8-25 | 5/2 Secondary reference U.S. Government activity |
| HLT733DL-8-25 | 5/2 Secondary reference U.S. Government activity |
| HLT733TB-8-25 | 5/2 Secondary reference U.S. Government activity |
| HLT733DL-8-25 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-564-0799 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-564-0799 has 14 manufacturer part numbers on file: HLT733DL-8-25 (Huck International, Inc), HLT733DL-8-25 (West Coast Aerospace, Inc.), HLT733DL-8-25 (Sps Technologies, Llc Dba PB Fasteners), HLT733TB-8-25 (Huck International, Inc), HLT733DL-8-25 (Hi-Shear Corporation) and 9 more.
Key specifications for ST3M813D4-25: Shank Diameter: 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Fastener Length: 1.987 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Nominal Thread Size: 0.250 INCHES IN. 13 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.