The Nut,plain,rectangular, cataloged under National Stock Number 5310-01-129-3378, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 11 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 | 5310-01-129-3378 |
| Primary Part Number | MBEU-69117 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Nut Width | 0.312 INCHES NOMINAL IN |
| Nut Length | 0.360 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Height | 0.125 INCHES NOMINAL IN |
| Nut Style | PLAIN, RECTANGULAR |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| MBEU-69117 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5310-01-129-3378 is a Nut,plain,rectangular, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-129-3378 has 1 manufacturer part number on file: MBEU-69117 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-69117: Nut Width: 0.312 INCHES NOMINAL IN; Nut Length: 0.360 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.