PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200243Washer,flat

L3harris Technologies, Inc. Dba Harris Corporation · NSN 5310-00-961-8064 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-961-8064 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-961-8064. Primary manufacturer part number: 200243.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-961-8064, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-961-8064
Primary Part Number200243
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corporation
StatusACTIVE
MaterialSTEEL OVERALL
Thickness0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5977-00-010-1750200243 INTERCHANGEABLE
Brush,electrical Contact
Patriot American Solutions Llc
6680-00-121-0549200243 INTERCHANGEABLE
Sleeve,liquid Level
Huck International, Inc
3110-00-156-4592102668-2 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2530-01-174-4162 INTERCHANGEABLE
Brake Lining Kit
6515-01-525-6063200-243 INTERCHANGEABLE
Perforator,cranial
Acra Cut, Inc. Dba Acra-Cut Inc
5920-01-609-96960217004.P INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
1240-01-653-9532200243 INTERCHANGEABLE
Sight,infinity
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
200243 Itt Industries Inc Itt Aerospace Communications Div East (USA)
200243 PRIMARY L3harris Technologies, Inc. Dba Harris Corporation (USA)
Related Parts
5977-00-010-1750INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
200243
6680-00-121-0549INTERCHANGEABLE
SLEEVE,LIQUID LEVEL
200243
3110-00-156-4592INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-2
2530-01-174-4162INTERCHANGEABLE
BRAKE LINING KIT
6515-01-525-6063INTERCHANGEABLE
PERFORATOR,CRANIAL
200-243
5920-01-609-9696INTERCHANGEABLE
FUSE,CARTRIDGE
0217004.P
1240-01-653-9532INTERCHANGEABLE
SIGHT,INFINITY
200243

Frequently Asked Questions

What is NSN 5310-00-961-8064?

NSN 5310-00-961-8064 is a Washer,flat, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-961-8064?

NSN 5310-00-961-8064 has 2 cross-referenced part numbers: 200243 (Itt Industries Inc Itt Aerospace Communications Div East), 200243 (L3harris Technologies, Inc. Dba Harris Corporation).

What NSN replaces 5310-00-961-8064?

There are 7 known substitutes for 5310-00-961-8064: 5977-00-010-1750, 6680-00-121-0549, 3110-00-156-4592 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200243?

Key specifications for 200243: Material: STEEL OVERALL; Thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Center Hole Shape Style: ROUND. 8 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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