The Rivet,blind, cataloged under National Stock Number 5320-01-620-5021, 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 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-620-5021 |
| Primary Part Number | 3M1139D3-300 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2260 INCHES MINIMUM AND 0.2275 INCHES MAXIMUM IN |
| Head Height | 0.077 INCHES NOMINAL IN |
| Head Style | COUNTERSUNK W/PROTRUDING STUD |
| Grip Length | 0.250 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Shank Style | TUBULAR |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Material | TITANIUM NUT |
| Head Major Diameter | 0.409 INCHES MINIMUM AND 0.416 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 |
|---|---|
| 3M1139D3-300 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3M1139-3-300 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5320-01-620-5021 is a Rivet,blind, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-620-5021 has 1 manufacturer part number on file: 3M1139D3-300 (The Boeing Company Div Defense).
Key specifications for 3M1139D3-300: Shank Diameter: 0.2260 INCHES MINIMUM AND 0.2275 INCHES MAXIMUM IN; Head Height: 0.077 INCHES NOMINAL IN; Head Style: COUNTERSUNK W/PROTRUDING STUD; Grip Length: 0.250 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN. 9 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.