The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-577-6099, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-577-6099 |
| Primary Part Number | 6430444-138M1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 6430444-138M1 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 6430444-138M1 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6430444-138M1 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
| 6430444-138M1 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
| 6430444 | D/9 Drawing number reference only Bae Systems Survivability Systems Llc |
NSN 5305-01-577-6099 is a Screw,cap,hexagon Head, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-577-6099 has 2 manufacturer part numbers on file: 6430444-138M1 (Caterpillar Inc Div Caterpillar Defense), 6430444-138M1 (Amz Alabama Inc.).
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.