The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-377-8181, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-377-8181 |
| Primary Part Number | 27073 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION B |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.122 INCHES IN |
| Nut Height | 0.097 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL 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 |
|---|---|
| 27073 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 27073 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5310-00-377-8181 is a Nut,plain,hexagon, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-377-8181 has 1 manufacturer part number on file: 27073 (International Business Machines Corp Parts Order Center Dept E - 54).
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-554-3465, 5310-00-860-3277, 5365-01-208-3403. Verify interchangeability with system specifications before substitution.
Key specifications for 27073: Width Across Flats: 0.188 INCHES NOMINAL IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION B; Thread Direction: RIGHT-HAND. 12 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.