PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73250Washer,flat

Textron Lycoming Inc Williamsport Plant · NSN 5310-01-531-1203 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-531-1203 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-531-1203. Primary manufacturer part number: 73250.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Textron Lycoming Inc Williamsport Plant
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-531-1203, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-531-1203
Primary Part Number73250
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-412-3801RIT-0625-N-SP0695 INTERCHANGEABLE
Plug Tube
Est Group Inc Div Est Group
5905-00-713-26407-32-50 INTERCHANGEABLE
Resistor,fixed,wire Wound
Lockheed Martin Librascope Corporation
6850-01-137-6964391030 INTERCHANGEABLE
Sealer,chemical
Hernon Manufacturing, Inc.
6350-01-213-1661630 INTERCHANGEABLE
Alarm,back-Up,vehicle
Electronic Controls Co
7025-01-616-790673250 INTERCHANGEABLE
Memory Card,personal Computer
Echelon Corporation
Cross-Reference Index
Part NumberManufacturer
73250 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
4730-00-412-3801INTERCHANGEABLE
PLUG TUBE
RIT-0625-N-SP0695
5905-00-713-2640INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
7-32-50
6850-01-137-6964INTERCHANGEABLE
SEALER,CHEMICAL
391030
6350-01-213-1661INTERCHANGEABLE
ALARM,BACK-UP,VEHICLE
630
7025-01-616-7906INTERCHANGEABLE
MEMORY CARD,PERSONAL COMPUTER
73250

Frequently Asked Questions

What is NSN 5310-01-531-1203?

NSN 5310-01-531-1203 is a Washer,flat, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-531-1203?

NSN 5310-01-531-1203 has 1 cross-referenced part number: 73250 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5310-01-531-1203?

There are 5 known substitutes for 5310-01-531-1203: 4730-00-412-3801, 5905-00-713-2640, 6850-01-137-6964 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73250?

Key specifications for 73250: Part Name Assigned by Controlling Agency: WASHER, THRUST. 1 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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