PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

901140K1Washer,flat

Airmotive Carburetor · NSN 5310-00-187-0146 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-0146 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-0146. Primary manufacturer part number: 901140K1.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-187-0146, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Airmotive Carburetor. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-187-0146
Primary Part Number901140K1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAirmotive Carburetor
StatusCANCELLED
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Hole Diameter0.250 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Overall Diameter0.625 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-421-62619917 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
5310-00-809-4058 INTERCHANGEABLE
Washer,flat
5310-01-103-6042 INTERCHANGEABLE
Washer,flat
5930-01-293-5969120392 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5310-01-371-6005120392 INTERCHANGEABLE
Washer,flat
Dressta North America Ltd
Cross-Reference Index
Part NumberManufacturer
901140K1 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
91140K1 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
901140K1 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
901140K1 PRIMARY Airmotive Carburetor (USA)
120392 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5950-00-421-6261INTERCHANGEABLE
TRANSFORMER,POWER
9917
5310-00-809-4058INTERCHANGEABLE
WASHER,FLAT
5310-01-103-6042INTERCHANGEABLE
WASHER,FLAT
5930-01-293-5969INTERCHANGEABLE
SWITCH,FLOW
120392
5310-01-371-6005INTERCHANGEABLE
WASHER,FLAT
120392

Frequently Asked Questions

What is NSN 5310-00-187-0146?

NSN 5310-00-187-0146 is a Washer,flat, manufactured by Airmotive Carburetor, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-187-0146?

NSN 5310-00-187-0146 has 5 cross-referenced part numbers: 901140K1 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 91140K1 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 901140K1 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 901140K1 (Airmotive Carburetor), 120392 (Stewart & Stevenson Power Products Llc).

What NSN replaces 5310-00-187-0146?

There are 5 known substitutes for 5310-00-187-0146: 5950-00-421-6261, 5310-00-809-4058, 5310-01-103-6042 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 901140K1?

Key specifications for 901140K1: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1010 OVERALL; Hole Diameter: 0.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-187-0146 still in active supply?

NSN 5310-00-187-0146 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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