The Nut,plain,castellated,double Hex, cataloged under National Stock Number 5310-01-124-0698, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-124-0698 |
| Primary Part Number | 78069M3ME |
| Item Name | Nut,plain,castellated,double Hex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANTDRY FILM LUBRICANT |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM0.376 INCHES MAXIMUM IN |
| Thread Series | UNJCUNJC |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES0.190 INCHES IN |
| Nut Height | 0.242 INCHES MAXIMUM0.242 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CASTELLATED, DOUBLE HEXAGONCASTELLATED, DOUBLE HEXAGON |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 3232 |
| Material | NICKEL ALLOY 718 OVERALL |
| Bearing Surface Type | CHAMFEREDCHAMFERED |
| 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 |
|---|---|
| 78069M3ME PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 78069M3ME | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 78069M3ME | 3/2 Design control — primary reference U.S. Government activity |
| ST3M524-3ME | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5310-01-124-0698 is a Nut,plain,castellated,double Hex, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-124-0698 has 1 manufacturer part number on file: 78069M3ME (Esna, Llc).
Key specifications for 78069M3ME: Lubrication: DRY FILM LUBRICANTDRY FILM LUBRICANT; Width Across Flats: 0.367 INCHES MINIMUM AND 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM0.376 INCHES MAXIMUM IN; Thread Series: UNJCUNJC; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.