The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-016-5797, 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 25 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-016-5797 |
| Primary Part Number | RM52LHA4309-4-02 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.077 INCHES NOMINAL IN |
| Nut Length | 0.631 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Flat | 0.268 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Plate Width | 0.786 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.250 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.397 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1137 OVERALL |
| Nut Mounting Provision | STRAIGHT 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 |
|---|---|
| RM52LHA4309-4-02 PRIMARY | Esna, Llc (USA) |
| F29337-3-4 | Howmet Global Fastening Systems Inc (USA) |
| F29337-3-4 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| NS103074-02-3 | 5/2 Secondary reference U.S. Government activity |
| F29337-3-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| RM52LHA4309-4-02 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-016-5797 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-016-5797 has 3 manufacturer part numbers on file: RM52LHA4309-4-02 (Esna, Llc), F29337-3-4 (Howmet Global Fastening Systems Inc), F29337-3-4 (Satair A/s).
Key specifications for RM52LHA4309-4-02: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.077 INCHES NOMINAL IN; Nut Length: 0.631 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 25 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.