The Rivet,blind, cataloged under National Stock Number 5320-01-133-0443, 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 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-133-0443 |
| Primary Part Number | SMLSP-M04-03C |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Head Height | 0.054 INCHES NOMINAL IN |
| Fastener Length | 0.323 INCHES NOMINAL IN |
| Expansion Device | BREAK STEM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| Surface Treatment Document and Classification | QQ-P-416 TYII CL 3 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | AMS5737 ASSN STD 1ST MATERIAL RESPONSE OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE LOCKING RING |
| Head Style | UNIVERSAL |
| Grip Length | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| Surface Treatment | PASSIVATE STEM |
| Surface Treatment | CADMIUM SLEEVE |
| Surface Treatment | PASSIVATE LOCKING RING |
| Material | IRON ALLOY 660 STEM |
| Material | NICKEL ALLOY SLEEVE |
| Material | IRON ALLOY 660 OR NICKEL ALLOY LOCKING RING |
| Head Major Diameter | 0.250 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 |
|---|---|
| NAS1919M04S03W | Aero Stock (FRA) |
| SMLSP-M04-03C | Huck (FRA) |
| SMLSP-M04-03C PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| NAS1919M04S03 | 5/9 Secondary reference Huck International, Inc |
| NAS1919M04S03W | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-133-0443 is a Rivet,blind, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-133-0443 has 3 manufacturer part numbers on file: NAS1919M04S03W (Aero Stock), SMLSP-M04-03C (Huck), SMLSP-M04-03C (Huck International, Inc. Div Huck Products Division).
Key specifications for SMLSP-M04-03C: Shank Diameter: 0.125 INCHES NOMINAL IN; Head Height: 0.054 INCHES NOMINAL IN; Fastener Length: 0.323 INCHES NOMINAL IN; Expansion Device: BREAK STEM. 20 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.