PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

940-9Washer,flat

Department of the Air Force · NSN 5310-00-187-2367 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-2367 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-2367. Primary manufacturer part number: 940-9.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Surface Treatment: TIN OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.437 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.151 INCHES MINIMUM AND 0.161 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 5310-00-187-2367, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-187-2367
Primary Part Number940-9
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Surface TreatmentTIN OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.437 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Thickness0.049 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5915-00-496-22012920137-9 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-835-3027 INTERCHANGEABLE
Coil,radio Frequency
4820-01-228-92809400 PIECE 12 INTERCHANGEABLE
Valve,plug
Ingersoll-Rand Co Material Handling Div
5330-01-232-8105959-9 INTERCHANGEABLE
Ring,wiper
Cunningham Manufacturing Co
7025-01-246-162209131-67600 INTERCHANGEABLE
Disk Drive Unit
Hewlett-Packard Company Dba HP
6145-01-308-61078617 INTERCHANGEABLE
Cable,special Purpose,electrical
Janor Wire & Cable Corp
5950-01-487-3006 INTERCHANGEABLE
Transformer Assembly
6545-01-568-4916UA 256B INTERCHANGEABLE
Medical Equipment Set,ground Amb
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
4730-01-718-4805FB6ST9-HBLK INTERCHANGEABLE
Adapter,straight,pipe to Tube
Parker Hannifin Corp Div Precision Fluidics Division
Cross-Reference Index
Part NumberManufacturer
940-9 Department of the Air Force (USA)
Related Parts
5915-00-496-2201INTERCHANGEABLE
FILTER,BAND PASS
2920137-9
5950-00-835-3027INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-228-9280INTERCHANGEABLE
VALVE,PLUG
9400 PIECE 12
5330-01-232-8105INTERCHANGEABLE
RING,WIPER
959-9
7025-01-246-1622INTERCHANGEABLE
DISK DRIVE UNIT
09131-67600
6145-01-308-6107INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8617
5950-01-487-3006INTERCHANGEABLE
TRANSFORMER ASSEMBLY
6545-01-568-4916INTERCHANGEABLE
MEDICAL EQUIPMENT SET,GROUND AMB
UA 256B
4730-01-718-4805INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
FB6ST9-HBLK

Frequently Asked Questions

What is NSN 5310-00-187-2367?

NSN 5310-00-187-2367 is a Washer,flat, manufactured by Department of the Air Force, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-187-2367?

NSN 5310-00-187-2367 has 1 cross-referenced part number: 940-9 (Department of the Air Force).

What NSN replaces 5310-00-187-2367?

There are 9 known substitutes for 5310-00-187-2367: 5915-00-496-2201, 5950-00-835-3027, 4820-01-228-9280 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 940-9?

Key specifications for 940-9: Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Surface Treatment: TIN OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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