The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-278-3785, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-278-3785 |
| Primary Part Number | 1037-777 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.139 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 1037-777 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1037-777 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 5305-01-278-3785 is a Screw,cap,socket Head, manufactured by Woodward, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-278-3785 has 1 manufacturer part number on file: 1037-777 (Woodward, Inc.).
Key specifications for 1037-777: Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.139 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN; Thread Direction: RIGHT-HAND. 9 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.