PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2438Washer,flat

Telemechanics Inc · NSN 5310-00-194-0019 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-194-0019 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-194-0019. Primary manufacturer part number: 2438.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.125 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.031 INCHES NOMINAL IN
  • Overall Diameter: 0.250 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 5310-00-194-0019, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-194-0019
Primary Part Number2438
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.125 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.031 INCHES NOMINAL IN
Overall Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-173-3158 INTERCHANGEABLE
Gasket
5975-00-280-60522438 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
2825-00-388-12032438 INTERCHANGEABLE
Liner Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5310-00-820-6712 INTERCHANGEABLE
Washer,flat
3020-01-070-91022438 INTERCHANGEABLE
Pulley,groove
Lebus International, Inc.
4820-01-110-7236 INTERCHANGEABLE
Stem,fluid Valve
5999-01-142-44882438 INTERCHANGEABLE
Heater,thermal Release
Joslyn Clark Controls, Llc
5120-01-144-5330ANS1905A INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
4720-01-210-0357243-8 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
6110-01-430-2402 INTERCHANGEABLE
Contactor,magnetic
Cross-Reference Index
Part NumberManufacturer
2438 American Telephone and Telegraph Co (USA)
2438 PRIMARY Telemechanics Inc (USA)
Related Parts
5330-00-173-3158INTERCHANGEABLE
GASKET
5975-00-280-6052INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2438
2825-00-388-1203INTERCHANGEABLE
LINER ASSEMBLY
2438
5310-00-820-6712INTERCHANGEABLE
WASHER,FLAT
3020-01-070-9102INTERCHANGEABLE
PULLEY,GROOVE
2438
4820-01-110-7236INTERCHANGEABLE
STEM,FLUID VALVE
5999-01-142-4488INTERCHANGEABLE
HEATER,THERMAL RELEASE
2438
5120-01-144-5330INTERCHANGEABLE
SOCKET,SOCKET WRENCH
ANS1905A
4720-01-210-0357INTERCHANGEABLE
HOSE,NONMETALLIC
243-8
6110-01-430-2402INTERCHANGEABLE
CONTACTOR,MAGNETIC
6680-01-443-3923INTERCHANGEABLE
TUBE,METERING
2438-21
6680-01-444-2411INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2438-48

Frequently Asked Questions

What is NSN 5310-00-194-0019?

NSN 5310-00-194-0019 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 5310-00-194-0019?

NSN 5310-00-194-0019 has 2 cross-referenced part numbers: 2438 (American Telephone and Telegraph Co), 2438 (Telemechanics Inc).

What NSN replaces 5310-00-194-0019?

There are 12 known substitutes for 5310-00-194-0019: 5330-00-173-3158, 5975-00-280-6052, 2825-00-388-1203 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2438?

Key specifications for 2438: Center Hole Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.125 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-194-0019 still in active supply?

NSN 5310-00-194-0019 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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