The Rivet,blind, cataloged under National Stock Number 5320-01-616-7981, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-616-7981 |
| Primary Part Number | OBP-T12-04 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Shank Diameter | 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Head Height | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Fastener Length | 1.562 INCHES NOMINAL IN |
| Head Style | COUNTERSUNK W/PROTRUDING STUD |
| Grip Length | 0.219 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING HIGH CLINCH SHANK |
| Countersink Angle | 0.025 RADIANS NOMINAL |
| Material | ALUMINUM ALLOY OVERALL |
| Slot Width | 0.30 INCHES NOMINAL IN |
| Head Major Diameter | 0.580 INCHES MINIMUM AND 0.627 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 |
|---|---|
| OBP-T12-04 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
NSN 5320-01-616-7981 is a Rivet,blind, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-616-7981 has 1 manufacturer part number on file: OBP-T12-04 (Huck International, Inc. Div Huck Products Division).
Key specifications for OBP-T12-04: Shank Diameter: 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Head Height: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN; Fastener Length: 1.562 INCHES NOMINAL IN; Head Style: COUNTERSUNK W/PROTRUDING STUD. 10 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.