The Nut,plain,cap, cataloged under National Stock Number 5310-01-616-8263, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-616-8263 |
| Primary Part Number | 0185665 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Width Across Flats | 0.437 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASME B1.1 UNC/UNF CL2B NATIONAL STD/SPEC 1ST MATERIAL RESPONSE AND ANSI B1.1 UNC NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nondefinitive Spec/std Data | 2 GRADE AND 0.338 WEIGHT |
| Nut Height | 0.590 INCHES NOMINAL IN |
| Nut Style | CAP |
| 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 |
|---|---|
| 0185665 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| QC91 | Endries International, Inc. Dba Servtonics, an Endries International, Inc. (USA) |
| CC-0010797 | Independent Rough Terrain Center Llc (USA) |
NSN 5310-01-616-8263 is a Nut,plain,cap, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-8263 has 3 manufacturer part numbers on file: 0185665 (Fastenal Company Dba Fastenal Co), QC91 (Endries International, Inc. Dba Servtonics, an Endries International, Inc.), CC-0010797 (Independent Rough Terrain Center Llc).
Key specifications for 0185665: Width Across Flats: 0.437 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASME B1.1 UNC/UNF CL2B NATIONAL STD/SPEC 1ST MATERIAL RESPONSE AND ANSI B1.1 UNC NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 9 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.