The Nut,plain,rectangular, cataloged under National Stock Number 5310-01-377-0326, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Abb Installation Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-377-0326 |
| Primary Part Number | B-912-3/8 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Nut Length | 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| B-912-3/8 PRIMARY | Abb Installation Products Inc (USA) |
| MFAG0802-2 | Abb Installation Products Inc (USA) |
| Reference | Meaning |
|---|---|
| MFAG0802 | 5/9 Secondary reference American Development Corp |
NSN 5310-01-377-0326 is a Nut,plain,rectangular, manufactured by Abb Installation Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-377-0326 has 2 manufacturer part numbers on file: B-912-3/8 (Abb Installation Products Inc), MFAG0802-2 (Abb Installation Products Inc).
Key specifications for B-912-3/8: Nut Length: 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 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.