The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-188-9243, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 13 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-188-9243 |
| Primary Part Number | 1037-720 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Width Across Flats | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN |
| Head Height | 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 0.256 INCHES NOMINAL IN |
| Thread Length | 0.206 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 410 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.281 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1037-720 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5305-01-188-9243 is a Screw,cap,socket Head, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-188-9243 has 1 manufacturer part number on file: 1037-720 (Woodward, Inc. Div Fuel Systems and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-339-7726. Verify interchangeability with system specifications before substitution.
Key specifications for 1037-720: Width Across Flats: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN; Head Height: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 0.256 INCHES NOMINAL IN; Thread Length: 0.206 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN. 13 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.