PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2259Washer,flat

Telemechanics Inc · NSN 5310-00-197-3344 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-197-3344 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-197-3344. Primary manufacturer part number: 2259.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Thickness: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Hole Diameter: 0.156 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 5310-00-197-3344, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-197-3344
Primary Part Number2259
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Thickness0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.375 INCHES NOMINAL IN
Hole Diameter0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6135-00-248-4092 INTERCHANGEABLE
Battery,nonrechargeable
5998-00-416-65762259 INTERCHANGEABLE
Electronic Components Assembly
Fluke Electronics Corp
2990-00-540-50662259N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
4920-00-710-66682259 INTERCHANGEABLE
Arbor Assembly,balacing
Marvel Manufacturing Co Div the Marvel Manufacturing Company
5331-00-853-4272AS3582-259 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4320-01-055-35742259-T INTERCHANGEABLE
Shaft,transmission,pump
Summit Scientific Filtration Systems Inc
5331-01-078-8854 INTERCHANGEABLE
O-Ring
6515-01-136-82962259 INTERCHANGEABLE
Electrode,electrocardiograph
3m Company Div Health Care Business
6510-01-151-81452259 INTERCHANGEABLE
Sponge,surgical
Kendall Co
5360-01-532-22972259 INTERCHANGEABLE
Spring,helical,compression
Tescom Corp Dba Tescom Div Tescom
Cross-Reference Index
Part NumberManufacturer
2259 PRIMARY Telemechanics Inc (USA)
2259 American Telephone and Telegraph Co (USA)
Related Parts
6135-00-248-4092INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5998-00-416-6576INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
2259
2990-00-540-5066INTERCHANGEABLE
MUFFLER,EXHAUST
2259N
4920-00-710-6668INTERCHANGEABLE
ARBOR ASSEMBLY,BALACING
2259
5331-00-853-4272INTERCHANGEABLE
O-RING
AS3582-259
4320-01-055-3574INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
2259-T
5331-01-078-8854INTERCHANGEABLE
O-RING
6515-01-136-8296INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
2259
6510-01-151-8145INTERCHANGEABLE
SPONGE,SURGICAL
2259
5360-01-532-2297INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2259
6515-01-549-2546INTERCHANGEABLE
BURR,SURGICAL
GE516SU

Frequently Asked Questions

What is NSN 5310-00-197-3344?

NSN 5310-00-197-3344 is a Washer,flat, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-197-3344?

NSN 5310-00-197-3344 has 2 cross-referenced part numbers: 2259 (Telemechanics Inc), 2259 (American Telephone and Telegraph Co).

What NSN replaces 5310-00-197-3344?

There are 11 known substitutes for 5310-00-197-3344: 6135-00-248-4092, 5998-00-416-6576, 2990-00-540-5066 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2259?

Key specifications for 2259: Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Thickness: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-197-3344 still in active supply?

NSN 5310-00-197-3344 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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