The Screw,shoulder, cataloged under National Stock Number 5305-00-082-6993, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-082-6993 |
| Primary Part Number | MBEU27388 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Head Height | 0.093 INCHES NOMINAL IN |
| Fastener Length | 2.145 INCHES NOMINAL IN |
| Shoulder Length | 2.015 INCHES MINIMUM AND 2.020 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.125 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.437 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 |
|---|---|
| MBEU27388 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5305-00-082-6993 is a Screw,shoulder, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-082-6993 has 1 manufacturer part number on file: MBEU27388 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU27388: Head Height: 0.093 INCHES NOMINAL IN; Fastener Length: 2.145 INCHES NOMINAL IN; Shoulder Length: 2.015 INCHES MINIMUM AND 2.020 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM 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.