The Screw,shoulder, cataloged under National Stock Number 5305-00-239-9331, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-239-9331 |
| Primary Part Number | 32-33027-137 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Fastener Length | 0.585 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Shoulder Length | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.281 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.423 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.750 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 |
|---|---|
| 32-33027-137 | Huntington Valley Industries, Inc. Dba Huntington Valley Industries (USA) |
| 32-33027-137 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5305-00-239-9331 is a Screw,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-239-9331 has 2 manufacturer part numbers on file: 32-33027-137 (Huntington Valley Industries, Inc. Dba Huntington Valley Industries), 32-33027-137 (The Boeing Company Div Defense).
Key specifications for 32-33027-137: Head Height: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Fastener Length: 0.585 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Shoulder Length: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.281 INCHES NOMINAL FIRST SHOULDER IN. 15 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.