The Rivet,blind, cataloged under National Stock Number 5320-01-303-1637, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-303-1637 |
| Primary Part Number | UBPT08-10 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck |
| Status | ACTIVE |
| Shank Diameter | 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Head Height | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 0.844 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Surface Treatment Document and Classification | QQ-P-416,TY I,CL 3 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| Hardness Rating | 326.0 KNOOP MINIMUM AND 466.0 KNOOP MAXIMUM SLEEVE |
| Material Document and Classification | ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | TAPERED PAN |
| Grip Length | 0.594 INCHES MINIMUM AND 0.657 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CADMIUM STEM |
| Surface Treatment | CADMIUM AND CHROMATE SLEEVE |
| Minimum Tensile Strength | 112000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP E4340 OR STEEL COMP 4027 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4150 OR STEEL COMP 4340 OR STEEL COMP 4620 OR STEEL COMP 4815 OR STEEL COMP 6150 OR STEEL COMP 8615 OR STEEL COMP 8620 OR STEEL COMP 8630 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL |
| Head Major Diameter | 0.400 INCHES MINIMUM AND 0.432 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 |
|---|---|
| UBPT08-10 | Huck (FRA) |
| Reference | Meaning |
|---|---|
| MS90354U0810 | 3/2 Design control — primary reference U.S. Government activity |
| MS90354U0810 | 5/9 Secondary reference U.S. Government activity |
| UBPT8-10 | 5/1 Secondary reference Huck |
NSN 5320-01-303-1637 is a Rivet,blind, manufactured by Huck, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-303-1637 has 1 manufacturer part number on file: UBPT08-10 (Huck).
Key specifications for UBPT08-10: Shank Diameter: 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Head Height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 0.844 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 16 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.