PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2558XWasher,flat

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 5310-00-567-4899 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-567-4899 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-567-4899. Primary manufacturer part number: 2558X.
Features
  • Washer,flat — FSC 5310
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 1.406 INCHES NOMINAL IN
  • Outside Right Corner Chamfer Angle: 45.0 DEGREES NOMINAL
  • Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 2.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-567-4899, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-567-4899
Primary Part Number2558X
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Hole Diameter1.406 INCHES NOMINAL IN
Outside Right Corner Chamfer Angle45.0 DEGREES NOMINAL
Outside Left Corner Chamfer Angle45.0 DEGREES NOMINAL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter2.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-292-823924565 INTERCHANGEABLE
Relay,solid State
Kurz & Root Generator Company, Llc
Cross-Reference Index
Part NumberManufacturer
2558X Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
2558X PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5945-01-292-8239INTERCHANGEABLE
RELAY,SOLID STATE
24565

Frequently Asked Questions

What is NSN 5310-00-567-4899?

NSN 5310-00-567-4899 is a Washer,flat, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-567-4899?

NSN 5310-00-567-4899 has 2 cross-referenced part numbers: 2558X (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 2558X (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 5310-00-567-4899?

There is 1 known substitute for 5310-00-567-4899: 5945-01-292-8239. Verify interchangeability with system specifications before substitution.

What are the specifications of 2558X?

Key specifications for 2558X: Material: COPPER ALLOY OVERALL; Hole Diameter: 1.406 INCHES NOMINAL IN; Outside Right Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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