The Insert,panel Fastener, cataloged under National Stock Number 5325-01-440-6044, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-440-6044 |
| Primary Part Number | S104D4AL-1 |
| Item Name | Insert,panel Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Flange Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Insert Style | PROTRUDING FLANGEPROTRUDING FLANGE |
| Material | ALUMINUM ALLOY 2024 BARREL |
| Thread Size and Series/type Designator | 0.112-40 UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | THREADEDTHREADED |
| 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 |
|---|---|
| S104D4AL-1 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GS503C-SD4B | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5325-01-440-6044 is a Insert,panel Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-440-6044 has 1 manufacturer part number on file: S104D4AL-1 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for S104D4AL-1: Flange Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; Overall Length: 0.216 INCHES NOMINAL0.216 INCHES NOMINAL IN; Shoulder Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; Insert Style: PROTRUDING FLANGEPROTRUDING FLANGE. 6 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.