The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-475-5363, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-475-5363 |
| Primary Part Number | FN1011-1 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-N-290,CLASS 1,TY VI FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Material Document and Classification | QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 13225481-1 | Us Army Aviation and Missile Command (USA) |
| FN1011-1 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 305-1769-01-02-00 | 5/9 Secondary reference Accutite Fasteners |
| 13225481 | 7/1 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-475-5363 is a Nut,plain,castellated,hexagon, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-475-5363 has 2 manufacturer part numbers on file: 13225481-1 (Us Army Aviation and Missile Command), FN1011-1 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for FN1011-1: Width Across Flats: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-N-290,CLASS 1,TY VI FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; Material Document and Classification: QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.