The Nut,plain,knurled, cataloged under National Stock Number 5310-01-400-1840, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-400-1840 |
| Primary Part Number | 516-0145-000 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.180 INCHES NOMINAL IN |
| Nut Thickness | 0.255 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 304 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 |
|---|---|
| 516-0145-000 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 8519039-1 | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 516-0145-000 | 5/9 Secondary reference Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs |
| 145931-110 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-400-1840 is a Nut,plain,knurled, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-400-1840 has 2 manufacturer part numbers on file: 516-0145-000 (Amphenol Corp Div Amphenol Aerospace Operations), 8519039-1 (Honeywell International Inc. Dba Honeywell International).
Key specifications for 516-0145-000: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN; Nut Diameter: 0.180 INCHES NOMINAL IN. 8 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.