The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-663-7012, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-7012 |
| Primary Part Number | 99904A103 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Plate Thickness | 0.04 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.75 INCHES NOMINAL IN |
| Hole Configuration Style | CONFIGURATION A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | RACHET |
| Nut Height | 0.34375 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | PLATE |
| 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 |
|---|---|
| 99904A103 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ISO-1211 | 7/2 Vendor item drawing reference Isometrics Inc |
NSN 5310-01-663-7012 is a Nut,self-Locking,plate, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-7012 has 1 manufacturer part number on file: 99904A103 (Mcmaster-Carr Supply Co).
Key specifications for 99904A103: Plate Thickness: 0.04 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Plate Width: 0.75 INCHES NOMINAL IN; Hole Configuration Style: CONFIGURATION A. 13 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.