The Nut,self-Locking,cap, cataloged under National Stock Number 5310-00-010-8385, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-010-8385 |
| Primary Part Number | F52NKTE048 |
| Item Name | Nut,self-Locking,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.380 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Nut Style | CAP |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 1137 NUT |
| Material | PLASTIC POLYAMIDE NYLON CAP |
| 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 |
|---|---|
| F52NKTE048 | Esna, Llc (USA) |
| 10044510-4 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| F52NKTE048 | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-00-010-8385 is a Nut,self-Locking,cap, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-010-8385 has 2 manufacturer part numbers on file: F52NKTE048 (Esna, Llc), 10044510-4 (Us Army Aviation and Missile Command).
Key specifications for F52NKTE048: Width Across Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNF; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 17 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.