PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7812Washer,flat

Hubbard and Company · NSN 5310-00-194-7301 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-194-7301 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-194-7301. Primary manufacturer part number: 7812.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Thickness: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Width Across Flats: 1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: SQUARE
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 5310-00-194-7301, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hubbard and Company. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-194-7301
Primary Part Number7812
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHubbard and Company
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Thickness0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Width Across Flats1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleSQUARE
Hole Diameter0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-104-9890 INTERCHANGEABLE
Tip,desoldering
6210-00-279-8560 INTERCHANGEABLE
Fixture,lighting
2530-00-300-6921 INTERCHANGEABLE
Cylinder,steering
5950-00-448-0359 INTERCHANGEABLE
Reactor
5940-00-522-68897812 INTERCHANGEABLE
Post
Te Connectivity Corporation
5905-00-759-73032469660 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-759-73052469780 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6130-00-780-07807812 INTERCHANGEABLE
Power Supply
Bae Systems Information & Electronic Systems Integration Inc.
5355-01-128-19077812 INTERCHANGEABLE
Dial
Electro Scientific Industries Inc
4730-01-146-10637812 INTERCHANGEABLE
Tee,tube
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
7812 Hubbard and Company (USA)
FF-W-92 TY B CL A Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3439-00-104-9890INTERCHANGEABLE
TIP,DESOLDERING
6210-00-279-8560INTERCHANGEABLE
FIXTURE,LIGHTING
2530-00-300-6921INTERCHANGEABLE
CYLINDER,STEERING
5950-00-448-0359INTERCHANGEABLE
REACTOR
5940-00-522-6889INTERCHANGEABLE
POST
7812
5905-00-759-7303INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2469660
5905-00-759-7305INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2469780
6130-00-780-0780INTERCHANGEABLE
POWER SUPPLY
7812
5355-01-128-1907INTERCHANGEABLE
DIAL
7812
4730-01-146-1063INTERCHANGEABLE
TEE,TUBE
7812
4930-01-179-5774INTERCHANGEABLE
PUMP,LUBRICANT TRANSFER
GP
5962-01-343-1932INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5310-00-194-7301?

NSN 5310-00-194-7301 is a Washer,flat, manufactured by Hubbard and Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-194-7301?

NSN 5310-00-194-7301 has 2 cross-referenced part numbers: 7812 (Hubbard and Company), FF-W-92 TY B CL A (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-194-7301?

There are 12 known substitutes for 5310-00-194-7301: 3439-00-104-9890, 6210-00-279-8560, 2530-00-300-6921 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7812?

Key specifications for 7812: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL; Thickness: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. 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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