The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-372-5678, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 8 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 | 5305-01-372-5678 |
| Primary Part Number | MBEU-37300 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Fastener Length | 0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Thread Length | 0.600 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OVERALL |
| 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 |
|---|---|
| MBEU-37300 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| MBEU-37300 | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5305-01-372-5678 is a Screw,cap,hexagon Head, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-372-5678 has 2 manufacturer part numbers on file: MBEU-37300 (Northrop Grumman Systems Corporation), MBEU-37300 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-37300: Head Height: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Fastener Length: 0.650 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Thread Length: 0.600 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 8 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.