The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-258-8221, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-258-8221 |
| Primary Part Number | G10851J3-10-6 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANTDRY FILM LUBRICANT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 6060 |
| Features Provided | FLOATING NUTFLOATING NUT |
| Channel Height | 0.109 INCHES NOMINAL0.109 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES0.190 INCHES IN |
| Assembly Overall Height | 0.215 INCHES MAXIMUM0.215 INCHES MAXIMUM IN |
| Nut Style | GANG CHANNEL, SELF LOCKINGGANG CHANNEL, SELF LOCKING |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL NUT |
| Nut Spacing | 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPESTRAIGHT TYPE |
| 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 |
|---|---|
| G10851J3-10-6 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| G10851J3-10-6 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-258-8221 is a Nut Assembly,self-Locking,gang C, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-258-8221 has 1 manufacturer part number on file: G10851J3-10-6 (Esna, Llc).
Key specifications for G10851J3-10-6: Lubrication: DRY FILM LUBRICANTDRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 6060; Overall Length: 8.680 INCHES MINIMUM AND 8.680 INCHES MINIMUM AND 8.980 INCHES MAXIMUM8.980 INCHES MAXIMUM IN. 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.