The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-341-7518, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-341-7518 |
| Primary Part Number | Z1855-048 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Washer Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Temp Rating | 1200.0 FAHRENHEIT NOMINAL DEGF |
| Material | IRON ALLOY 660 NUT |
| Nominal Thread Size | 0.250 INCHES IN |
| Precious Material and Location | ENTIRE SURFACES SILVER |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Surface Treatment | SILVER NUT |
| Precious Material | SILVER |
| Thread Quantity Per Inch | 28 |
| Nut Style | DOUBLE HEXAGON |
| Washer Outside Diameter | 0.443 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-341-7518 is a Nut,self-Locking,extended Washer, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-341-7518 has 4 cross-referenced part numbers: Z1855-048 (Esna, Llc), Z1855-048 (Sps Technologies, Llc Dba PB Fasteners), Z1855-048 (Harvard Industries Inc), 303736-2 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).
There is 1 known substitute for 5310-01-341-7518: 5310-00-964-6781. Verify interchangeability with system specifications before substitution.
Key specifications for Z1855-048: Washer Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Width Across Flats: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.