The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-059-6373, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-059-6373 |
| Primary Part Number | 2006805-1 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Width Across Flats | 2.239 INCHES MINIMUM AND 2.253 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-83286 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Criticality Code Justification | CQJX AND AGAV |
| Material Document and Classification | MIL-S-5626,COND E4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.6875 INCHES IN |
| Nut Height | 0.820 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND PLASTIC OVERALL |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4140 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 2006805-1 | Southwest Industrial Service, Inc Dba Southwest Industrl Services (USA) |
| 2006805-1 PRIMARY | Goodrich Corporation (USA) |
| 2006805-1 | International Precision, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2006805-1 | 5/2 Secondary reference U.S. Government activity |
| 2006805-1 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
| 5310PL0748537 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-059-6373 is a Nut,plain,castellated,hexagon, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-059-6373 has 3 manufacturer part numbers on file: 2006805-1 (Southwest Industrial Service, Inc Dba Southwest Industrl Services), 2006805-1 (Goodrich Corporation), 2006805-1 (International Precision, Inc).
Key specifications for 2006805-1: Width Across Flats: 2.239 INCHES MINIMUM AND 2.253 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-83286 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Criticality Code Justification: CQJX AND AGAV. 14 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.