The Insert,screw Thread, cataloged under National Stock Number 5325-01-441-7188, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-441-7188 |
| Primary Part Number | GB503A-SD10H |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Diameter | 0.625 INCHES NOMINAL IN |
| Length | 0.915 INCHES NOMINAL IN |
| Flange Thickness | 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Thread Length | 0.246 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN |
| Insert Size | 0.341 IN OD IN |
| Style Designator | FLANGE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2024 ACTUATOR ARM |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| GB503A-SD10H PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| S104D1032AL-16 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-441-7188 is a Insert,screw Thread, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-441-7188 has 1 manufacturer part number on file: GB503A-SD10H (Northrop Grumman Systems Corporation).
Key specifications for GB503A-SD10H: Flange Diameter: 0.625 INCHES NOMINAL IN; Length: 0.915 INCHES NOMINAL IN; Flange Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Thread Length: 0.246 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN. 12 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.