The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-268-9797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Air-Log Ltd. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-268-9797 |
| Primary Part Number | 3-4819-8-42-3 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Air-Log Ltd |
| Status | ACTIVE |
| Width Across Flats | 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-N-290,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-B-626 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 13 STYLE |
| Nut Height | 0.208 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 360 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 |
|---|---|
| 3-4819-8-42-3 | Air-Log Ltd (GBR) |
| 53-66 TABLE 1 ITEM 14 | Ministry of Defence, Directorate of Standardization, Stan 1, (GBR) |
| Reference | Meaning |
|---|---|
| FF-N-836 | 4/1 Identification reference U.S. Government activity |
| MS35650-3315N | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-268-9797 is a Nut,plain,hexagon, manufactured by Air-Log Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-268-9797 has 2 manufacturer part numbers on file: 3-4819-8-42-3 (Air-Log Ltd), 53-66 TABLE 1 ITEM 14 (Ministry of Defence, Directorate of Standardization, Stan 1,).
Key specifications for 3-4819-8-42-3: Width Across Flats: 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-N-290,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-B-626 FED SPEC 3RD MATERIAL RESPONSE OVERALL. 14 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.