The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-596-7305, 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 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-7305 |
| Primary Part Number | 79HA2-02BC100X180 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Nut Length | 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Plate Width | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Countersink Angle | 100.0 DEGREES NOMINAL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BASE |
| Mounting Hole Diameter | 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Mounting Provision Location | OPPOSITE NUT PROJECTION SIDE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BASE |
| Surface Treatment | PASSIVATE NUT |
| Countersink Angle | 82.0 DEGREES NOMINAL NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 NUT |
| Material | NICKEL ALLOY LOCKING INSERT |
| Material | STEEL COMP 303 BASE |
| Nut Mounting Provision | COUNTERSUNK HOLES |
| 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 |
|---|---|
| 79HA2-02BC100X180 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 79HA2-02BC100X180 | 5/9 Secondary reference Harvard Industries Inc |
| LHTA58-2860-02BC100X80 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-596-7305 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-7305 has 1 manufacturer part number on file: 79HA2-02BC100X180 (Esna, Llc).
Key specifications for 79HA2-02BC100X180: Plate Thickness: 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Nut Length: 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN; Thread Series: UNF; Plate Width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN. 26 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.