The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-135-0116, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-135-0116 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN |
| Hole Thread Quantity Per Inch | 2020 |
| Thread Series | UNFUNF |
| Hole Configuration Style | CONFIGURATION ACONFIGURATION A |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES1.375 INCHES IN |
| Nut Height | 0.406 INCHES NOMINAL0.406 INCHES NOMINAL IN |
| Nut Style | HEXAGONHEXAGON |
| Thread Class | 2B2B |
| Hole Nominal Thread Diameter | 0.250 INCHES0.250 INCHES IN |
| Thread Quantity Per Inch | 1212 |
| Material | NICKEL ALLOY 400 OVERALL |
| Bearing Surface Type | FLATFLAT |
| Hole Type and Quantity | 1 TAPPED1 TAPPED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 810-4384539 PIECE 33 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-135-0116 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-135-0116: Width Across Flats: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN; Hole Thread Quantity Per Inch: 2020; Thread Series: UNFUNF; Hole Configuration Style: CONFIGURATION ACONFIGURATION A. 15 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.