The Rivet,blind, cataloged under National Stock Number 5320-01-440-3091, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck Fasteners Dba Huck Intl Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-440-3091 |
| Primary Part Number | MBP-R8-M3 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck Fasteners Dba Huck Intl Inc |
| Status | ACTIVE |
| Shank Diameter | 0.251 INCHES NOMINAL IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.890 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | ASTM A164 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | UNIVERSAL |
| Grip Length | 0.110 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING HIGH CLINCH SHANK |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Head Major Diameter | 0.530 INCHES NOMINAL 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 |
|---|---|
| MBP-R8-M3 PRIMARY | Huck Fasteners Dba Huck Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| 12420557-001 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 12449500-1 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5320-01-440-3091 is a Rivet,blind, manufactured by Huck Fasteners Dba Huck Intl Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-440-3091 has 1 manufacturer part number on file: MBP-R8-M3 (Huck Fasteners Dba Huck Intl Inc).
Key specifications for MBP-R8-M3: Shank Diameter: 0.251 INCHES NOMINAL IN; Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.890 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 11 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.