The Nut,plain,plate, cataloged under National Stock Number 5310-01-503-7049, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Andrews Tool Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-503-7049 |
| Primary Part Number | ATC-CNA-1/4-28 |
| Item Name | Nut,plain,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Andrews Tool Co |
| Status | ACTIVE |
| Plate Thickness | 0.130 INCHES NOMINAL IN |
| Nut Length | 1.460 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BASE |
| Surface Treatment Document and Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| Thread Series | UNF |
| Precious Material | SILVER |
| Material Document and Classification | AMS5513 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | AMS5732, A286 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.500 INCHES IN |
| Nut Height | 1.060 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.202 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BASE |
| Surface Treatment | SILVER THREADS |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL COMP 304 BASE |
| Hole Type and Quantity | 2 DRILLED |
| 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 |
|---|---|
| ATC-CNA-1/4-28 PRIMARY | Andrews Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 901-392-006-101 | 5/2 Secondary reference U.S. Government activity |
| 901-392-006 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5310-01-503-7049 is a Nut,plain,plate, manufactured by Andrews Tool Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-503-7049 has 1 manufacturer part number on file: ATC-CNA-1/4-28 (Andrews Tool Co).
Key specifications for ATC-CNA-1/4-28: Plate Thickness: 0.130 INCHES NOMINAL IN; Nut Length: 1.460 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BASE; Surface Treatment Document and Classification: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS. 20 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.