The Insert,screw Thread, cataloged under National Stock Number 5325-00-026-3729, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-026-3729 |
| Primary Part Number | GS500BM4-13 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Diameter | 1.000 INCHES NOMINAL IN |
| Length | 0.812 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| GS500BM4-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| AS107D402AL-13 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| AS107D402-13 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-00-026-3729 is a Insert,screw Thread, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-026-3729 has 2 manufacturer part numbers on file: GS500BM4-13 (Northrop Grumman Systems Corporation), AS107D402AL-13 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for GS500BM4-13: Flange Diameter: 1.000 INCHES NOMINAL IN; Length: 0.812 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL. 3 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.