The Rivet,blind, cataloged under National Stock Number 5320-01-399-5491, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-399-5491 |
| Primary Part Number | 4B100-T08-09 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Shank Diameter | 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.500 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | STEEL COMP 8740 STEM |
| Material | STEEL COMP 4027 OR STEEL COMP 4037 SLEEVE |
| Head Major Diameter | 0.399 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 |
|---|---|
| 4B100-T08-09 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| C7525-08-09 | 7/2 Vendor item drawing reference U.S. Government activity |
| 4B100-T08-09 | 5/9 Secondary reference Huck International, Inc |
NSN 5320-01-399-5491 is a Rivet,blind, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-399-5491 has 1 manufacturer part number on file: 4B100-T08-09 (Huck International, Inc. Div Huck Products Division).
Key specifications for 4B100-T08-09: Shank Diameter: 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Head Style: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER); Grip Length: 0.500 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN. 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.