PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7273Washer,flat

Master Products Company, the Div the Master Products Company · NSN 5310-00-275-6627 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-6627 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-6627. Primary manufacturer part number: 7273.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 2.250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Hole Diameter: 1.188 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
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 5310-00-275-6627, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Master Products Company, the Div the Master Products Company. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-275-6627
Primary Part Number7273
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMaster Products Company, the Div the Master Products Company
StatusACTIVE
Overall Diameter2.250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hole Diameter1.188 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3040-00-076-0454 INTERCHANGEABLE
Brake,arm
5136-00-224-15075136-00-224-1507 INTERCHANGEABLE
Die,rethreading
General Services Administration Federal Supply Service
5945-00-259-9281SC-C-99065 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-464-25115T806 INTERCHANGEABLE
Transformer,power
Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc
6515-00-758-60867273 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5305-00-823-5817 INTERCHANGEABLE
Screw,machine
5950-00-992-72497273 INTERCHANGEABLE
Transformer,radio Frequency
Artted Co Inc
5910-01-016-4202911113-001 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5945-01-398-3201 INTERCHANGEABLE
Relay,motor Driven
Cross-Reference Index
Part NumberManufacturer
7273 PRIMARY Master Products Company, the Div the Master Products Company (USA)
7273 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
3040-00-076-0454INTERCHANGEABLE
BRAKE,ARM
5136-00-224-1507INTERCHANGEABLE
DIE,RETHREADING
5136-00-224-1507
5945-00-259-9281INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SC-C-99065
5950-00-464-2511INTERCHANGEABLE
TRANSFORMER,POWER
5T806
6515-00-758-6086INTERCHANGEABLE
BAG,OSTOMY
7273
5305-00-823-5817INTERCHANGEABLE
SCREW,MACHINE
5950-00-992-7249INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7273
5910-01-016-4202INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
911113-001
5945-01-398-3201INTERCHANGEABLE
RELAY,MOTOR DRIVEN

Frequently Asked Questions

What is NSN 5310-00-275-6627?

NSN 5310-00-275-6627 is a Washer,flat, manufactured by Master Products Company, the Div the Master Products Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-275-6627?

NSN 5310-00-275-6627 has 2 cross-referenced part numbers: 7273 (Master Products Company, the Div the Master Products Company), 7273 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 5310-00-275-6627?

There are 9 known substitutes for 5310-00-275-6627: 3040-00-076-0454, 5136-00-224-1507, 5945-00-259-9281 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7273?

Key specifications for 7273: Overall Diameter: 2.250 INCHES NOMINAL IN; Material: STEEL OVERALL; Hole Diameter: 1.188 INCHES NOMINAL IN; Center Hole Shape Style: ROUND. 7 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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