The Rivet,blind, cataloged under National Stock Number 5320-01-203-8448, 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 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-203-8448 |
| Primary Part Number | OSMLS100M04-03 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Shank Diameter | 0.140 INCHES NOMINAL IN |
| Fastener Length | 0.516 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| 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,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE AND NAS4006 ASSN STD 2ND 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 | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| 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 OR ALUMINUM SLEEVE |
| Surface Treatment | PASSIVATE LOCKING RING |
| Minimum Tensile Strength | 675 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 108.0 DEGREES MAXIMUM |
| Shear Strength | 1090 SINGLE POUNDS PER SQUARE INCH |
| Material | IRON ALLOY 660 STEM |
| Material | NICKEL ALLOY SLEEVE |
| Material | IRON ALLOY 660 OR NICKEL ALLOY LOCKING RING |
| Head Major Diameter | 0.221 INCHES MINIMUM AND 0.229 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 |
|---|---|
| OSMLS100M04-03 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| 0SMLS100M04-03 | 5/9 Secondary reference Huck Mfg Co |
| OSMLS100M04-03 | 5/9 Secondary reference Huck International, Inc |
NSN 5320-01-203-8448 is a Rivet,blind, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-203-8448 has 1 manufacturer part number on file: OSMLS100M04-03 (Huck International, Inc. Div Huck Products Division).
Key specifications for OSMLS100M04-03: Shank Diameter: 0.140 INCHES NOMINAL IN; Fastener Length: 0.516 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STEM. 22 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.