The Nut,plain,knurled, cataloged under National Stock Number 5310-00-208-7339, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-7339 |
| Primary Part Number | 268857 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 32 |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION J |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Diameter | 1.750 INCHES NOMINAL IN |
| Nut Thickness | 0.109 INCHES NOMINAL IN |
| Small End Diameter | 1.125 INCHES NOMINAL IN |
| Nut Style | KNURLED |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 1.000 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Knurl Width | 0.031 INCHES NOMINAL IN |
| Hole Type and Quantity | 1 TAPPED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-208-7339 is a Nut,plain,knurled, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-208-7339 has 2 manufacturer part numbers on file: 268857 (K & E, Inc. Dba Micro Space Products), 268857 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 268857: Hole Thread Quantity Per Inch: 32; Thread Series: UN; Hole Configuration Style: CONFIGURATION J; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 16 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.