The Setscrew, cataloged under National Stock Number 5305-00-445-5082, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-445-5082 |
| Primary Part Number | 1128ABM40034 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Point Diameter | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Point Length | 0.122 INCHES NOMINAL IN |
| Fastener Length | 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Thread Length | 0.383 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 1128ABM40034 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1128ABM40034-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128ABM40034-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1128ABM40034 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5305-00-445-5082 is a Setscrew, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-445-5082 has 1 manufacturer part number on file: 1128ABM40034 (Northrop Grumman Systems Corporation).
Key specifications for 1128ABM40034: Point Diameter: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Point Length: 0.122 INCHES NOMINAL IN; Fastener Length: 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN. 17 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.