The Rivet,blind, cataloged under National Stock Number 5320-00-403-0234, 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 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-00-403-0234 |
| Primary Part Number | MLSP-EU04-03 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Head Height | 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Fastener Length | 0.568 INCHES NOMINAL IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TYPE II,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 3RD TREATMENT RESPONSE SLEEVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 4TH TREATMENT RESPONSE LOCKING RING |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 SLEEVE |
| Surface Treatment | PASSIVATE LOCKING RING |
| Surface Treatment | PASSIVATE AND CADMIUM BODY |
| Shear Strength | 1090 SINGLE POUNDS PER SQUARE INCH |
| Material | IRON ALLOY 660 OVERALL |
| Head Major Diameter | 0.242 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 |
|---|---|
| MLSP-EU04-03 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| MLSP-EU04-03 | Huck (FRA) |
| 557666 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 557666 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| MLSP-EU04-03 | 5/9 Secondary reference Huck Mfg Co |
| MLSP-EU04-03 | 5/9 Secondary reference Huck International, Inc |
| MLSPEU4-3 | 5/9 Secondary reference Huck Mfg Co |
NSN 5320-00-403-0234 is a Rivet,blind, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-403-0234 has 4 manufacturer part numbers on file: MLSP-EU04-03 (Huck International, Inc. Div Huck Products Division), MLSP-EU04-03 (Huck), 557666 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 557666 (Huck International, Inc).
Key specifications for MLSP-EU04-03: Shank Diameter: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Head Height: 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Fastener Length: 0.568 INCHES NOMINAL IN; Expansion Device: SERRATED STEM-TYPE W. 17 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.