The Nut,plain,knurled, cataloged under National Stock Number 5310-01-690-3557, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-690-3557 |
| Primary Part Number | 516-0272-000 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs |
| Status | ACTIVE |
| Width Across Flats | 0.180 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.250 INCHES NOMINAL IN |
| Nut Thickness | 0.310 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | KNURLED |
| 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 |
|---|---|
| 516-0272-000 PRIMARY | Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs (USA) |
| Reference | Meaning |
|---|---|
| C-516-0145-500 | D/9 Drawing number reference only Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs |
NSN 5310-01-690-3557 is a Nut,plain,knurled, manufactured by Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-690-3557 has 1 manufacturer part number on file: 516-0272-000 (Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs).
Key specifications for 516-0272-000: Width Across Flats: 0.180 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN. 11 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.