The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-431-7786, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-431-7786 |
| Primary Part Number | 9963-155 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 9963-155 PRIMARY | Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber (USA) |
| 9963-155 PRIMARY | Kratos S1, Inc. Div Kratos Space Training & Cyber (USA) |
| Reference | Meaning |
|---|---|
| 9963-155 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-431-7786 is a Screw,cap,hexagon Head, manufactured by Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-431-7786 has 2 manufacturer part numbers on file: 9963-155 (Kratos Antenna Solutions Corporation Div Kratos Space, Training & Cyber), 9963-155 (Kratos S1, Inc. Div Kratos Space Training & Cyber).
Key specifications for 9963-155: Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 20. 5 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.