PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14040Washer,flat

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 5310-00-264-1945 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-1945 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-1945. Primary manufacturer part number: 14040.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Thickness: 0.250 INCHES NOMINAL IN
  • Hole Diameter: 1.156 INCHES NOMINAL IN
  • Overall Diameter: 1.750 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 5310-00-264-1945, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-1945
Primary Part Number14040
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Thickness0.250 INCHES NOMINAL IN
Hole Diameter1.156 INCHES NOMINAL IN
Overall Diameter1.750 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5355-00-351-3998 INTERCHANGEABLE
Dial,scale
5915-00-501-444114040 INTERCHANGEABLE
Suppressor,parasitic
Viking Technologies, Ltd.
4810-00-713-596114040 INTERCHANGEABLE
Valve,rotary,selector
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-00-733-437399114040 INTERCHANGEABLE
Gasket
Alfa Laval Inc
2840-00-931-572014040 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Eaton Corporation Dba Eaton Inoac Div Eaton
2530-00-999-7519L18HB65 INTERCHANGEABLE
Seat,ball Socket
Trw Inc Trw Steering and Suspension Div
4820-01-158-68613G7242 INTERCHANGEABLE
Valve,safety Relief
Caterpillar Inc Div Caterpillar Defense
2915-01-249-850114040 INTERCHANGEABLE
Housing,cannister
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5950-01-287-8251 INTERCHANGEABLE
Coil,electrical
4320-01-527-591614040 INTERCHANGEABLE
Piston-Kickout
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
14040 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
3463A PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5355-00-351-3998INTERCHANGEABLE
DIAL,SCALE
5915-00-501-4441INTERCHANGEABLE
SUPPRESSOR,PARASITIC
14040
4810-00-713-5961INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
14040
5330-00-733-4373INTERCHANGEABLE
GASKET
99114040
2840-00-931-5720INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
14040
2530-00-999-7519INTERCHANGEABLE
SEAT,BALL SOCKET
L18HB65
4820-01-158-6861INTERCHANGEABLE
VALVE,SAFETY RELIEF
3G7242
2915-01-249-8501INTERCHANGEABLE
HOUSING,CANNISTER
14040
5950-01-287-8251INTERCHANGEABLE
COIL,ELECTRICAL
4320-01-527-5916INTERCHANGEABLE
PISTON-KICKOUT
14040
6515-01-578-1115INTERCHANGEABLE
SCREW,BONE
208.125
5120-01-678-4883INTERCHANGEABLE
HANDLE,TORQUE
14040

Frequently Asked Questions

What is NSN 5310-00-264-1945?

NSN 5310-00-264-1945 is a Washer,flat, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-264-1945?

NSN 5310-00-264-1945 has 2 cross-referenced part numbers: 14040 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 3463A (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5310-00-264-1945?

There are 12 known substitutes for 5310-00-264-1945: 5355-00-351-3998, 5915-00-501-4441, 4810-00-713-5961 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14040?

Key specifications for 14040: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Thickness: 0.250 INCHES NOMINAL IN. 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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