PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9401Washer,flat

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-148-4747 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-148-4747 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-148-4747. Primary manufacturer part number: 9401.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.538 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN
  • Thickness: 0.086 INCHES MINIMUM AND 0.100 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 5310-00-148-4747, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-148-4747
Primary Part Number9401
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.538 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN
Thickness0.086 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hardness Rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5130-00-177-70856740-20 INTERCHANGEABLE
Nut Runner and Screwdriver,elect
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
5330-00-409-3832 INTERCHANGEABLE
Seal
5915-00-496-20092920137-1 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4910-00-505-47869401 INTERCHANGEABLE
Stand,radiator Test and Repair
Hydraulic Technology, Inc
1560-00-877-2080388124-3 INTERCHANGEABLE
Duct Assy,bleed Air
Lockheed Martin Corp
4910-01-149-4821 INTERCHANGEABLE
Adapter,test,radiat
6760-01-211-84641264T556 INTERCHANGEABLE
Device,torque Measuring
Bae Systems Information and Electronic Systems Integration Inc.
4820-01-235-36739400 PIECE 4 INTERCHANGEABLE
Slide,directional Control Linear
Ingersoll-Rand Co Material Handling Div
2540-01-370-61739401 INTERCHANGEABLE
Seat,vehicular
H.o. Bostrom Company, Inc. Dba Ho Bostrom Co Inc
5130-01-397-9630 INTERCHANGEABLE
Sander,belt,electric,portable
Cross-Reference Index
Part NumberManufacturer
9401 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5130-00-177-7085INTERCHANGEABLE
NUT RUNNER AND SCREWDRIVER,ELECT
6740-20
5330-00-409-3832INTERCHANGEABLE
SEAL
5915-00-496-2009INTERCHANGEABLE
FILTER,BAND PASS
2920137-1
4910-00-505-4786INTERCHANGEABLE
STAND,RADIATOR TEST AND REPAIR
9401
1560-00-877-2080INTERCHANGEABLE
DUCT ASSY,BLEED AIR
388124-3
4910-01-149-4821INTERCHANGEABLE
ADAPTER,TEST,RADIAT
6760-01-211-8464INTERCHANGEABLE
DEVICE,TORQUE MEASURING
1264T556
4820-01-235-3673INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
9400 PIECE 4
2540-01-370-6173INTERCHANGEABLE
SEAT,VEHICULAR
9401
5130-01-397-9630INTERCHANGEABLE
SANDER,BELT,ELECTRIC,PORTABLE
4810-01-418-5145INTERCHANGEABLE
VALVE,SOLENOID
8021870.0247-G

Frequently Asked Questions

What is NSN 5310-00-148-4747?

NSN 5310-00-148-4747 is a Washer,flat, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-148-4747?

NSN 5310-00-148-4747 has 1 cross-referenced part number: 9401 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5310-00-148-4747?

There are 11 known substitutes for 5310-00-148-4747: 5130-00-177-7085, 5330-00-409-3832, 5915-00-496-2009 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9401?

Key specifications for 9401: Material: STEEL OVERALL; Peripheral Shape Style: ROUND; Overall Diameter: 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND. 9 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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