PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4963Washer,flat

Eaton Aerospace, Llc Dba Jackson South · NSN 5310-00-043-2098 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-043-2098 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-043-2098. Primary manufacturer part number: 4963.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Color: BLACK OVERALL
  • Material: STEEL COMP 1040 OR STEEL COMP 1050 OVERALL
  • Hole Diameter: 0.200 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Overall Diameter: 0.338 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1040 or Steel Comp 1050 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-043-2098, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-043-2098
Primary Part Number4963
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
ColorBLACK OVERALL
MaterialSTEEL COMP 1040 OR STEEL COMP 1050 OVERALL
Hole Diameter0.200 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Overall Diameter0.338 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Surface TreatmentOXIDE FILM OVERALL
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-218-2694 INTERCHANGEABLE
Impeller,pump,centrifugal
5930-00-259-81544963 INTERCHANGEABLE
Switch,toggle
Bryant Electric
6625-00-264-7997360-P-2 INTERCHANGEABLE
Meter,electrical Frequency
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
5307-00-274-4796 INTERCHANGEABLE
Stud,plain
5950-00-369-82684963 INTERCHANGEABLE
Reactor
Precision Electronics, Inc
6505-01-556-2074NDC00409-1219-01 INTERCHANGEABLE
Naloxone Hydrochloride Injection
Pfizer Inc
Cross-Reference Index
Part NumberManufacturer
4963 Eaton Aerospace, Llc Dba Jackson South (USA)
4963 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
4963 General Signal Corp (USA)
Related Parts
4320-00-218-2694INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5930-00-259-8154INTERCHANGEABLE
SWITCH,TOGGLE
4963
6625-00-264-7997INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
360-P-2
5307-00-274-4796INTERCHANGEABLE
STUD,PLAIN
5950-00-369-8268INTERCHANGEABLE
REACTOR
4963
6505-01-556-2074INTERCHANGEABLE
NALOXONE HYDROCHLORIDE INJECTION
NDC00409-1219-01

Frequently Asked Questions

What is NSN 5310-00-043-2098?

NSN 5310-00-043-2098 is a Washer,flat, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-043-2098?

NSN 5310-00-043-2098 has 3 cross-referenced part numbers: 4963 (Eaton Aerospace, Llc Dba Jackson South), 4963 (Eaton Aerospace, Llc Dba Jackson South), 4963 (General Signal Corp).

What NSN replaces 5310-00-043-2098?

There are 6 known substitutes for 5310-00-043-2098: 4320-00-218-2694, 5930-00-259-8154, 6625-00-264-7997 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4963?

Key specifications for 4963: Cross-Sectional Shape Style: RECTANGULAR; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Color: BLACK OVERALL; Material: STEEL COMP 1040 OR STEEL COMP 1050 OVERALL. 10 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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