The Rivet,blind, cataloged under National Stock Number 5320-01-476-4779, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Fixations Simmonds SAS. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-476-4779 |
| Primary Part Number | NAS1919B04S02U |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Fixations Simmonds SAS |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Head Height | 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Fastener Length | 0.260 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | UNIVERSAL |
| Specification/standard Data | 80205-NAS1919 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 5056 LOCKING RING |
| Material | ALUMINUM ALLOY 2024 STEM |
| Material | ALUMINUM ALLOY 5056 SLEEVE |
| Head Major Diameter | 0.238 INCHES MINIMUM AND 0.262 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 |
|---|---|
| NAS1919B04S02U | Howmet Fixations Simmonds SAS (FRA) |
| SMLSP-B04-02U | Huck (FRA) |
| Reference | Meaning |
|---|---|
| NAS1919B04S02U | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-476-4779 is a Rivet,blind, manufactured by Howmet Fixations Simmonds SAS, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-476-4779 has 2 manufacturer part numbers on file: NAS1919B04S02U (Howmet Fixations Simmonds SAS), SMLSP-B04-02U (Huck).
Key specifications for NAS1919B04S02U: Shank Diameter: 0.125 INCHES NOMINAL IN; Head Height: 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Fastener Length: 0.260 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 15 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.