PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

783Washer,iron,top

Kupferle John C Foundry Co · NSN 5310-00-901-9066 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-901-9066 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-901-9066. Primary manufacturer part number: 783.
Features
  • Washer,iron,top — FSC 5310
  • Reference Number Differentiating Characteristics: FOR TOP,LEATHER SEAT VALVE FOR NO.S 65,70 AND 75.5 HYDRANTS
  • 1 verified cross-reference
  • Primary manufacturer: Kupferle John C Foundry Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,iron,top, cataloged under National Stock Number 5310-00-901-9066, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kupferle John C Foundry Co. Government technical data includes 1 verified specification, 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
NSN5310-00-901-9066
Primary Part Number783
Item NameWasher,iron,top
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKupferle John C Foundry Co
StatusACTIVE
Reference Number Differentiating CharacteristicsFOR TOP,LEATHER SEAT VALVE FOR NO.S 65,70 AND 75.5 HYDRANTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-258-5200 INTERCHANGEABLE
Terminal,stud
5360-00-291-7605 INTERCHANGEABLE
Spring,helical,compression
5340-00-598-0153783 INTERCHANGEABLE
Clamp,loop
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5340-00-598-9866 INTERCHANGEABLE
Clamp,loop
5970-00-686-7991861 INTERCHANGEABLE
Insulator,standoff
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5120-00-858-0969DWG5120-00-858-0969 INTERCHANGEABLE
Wrench,spanner
General Services Administration Federal Supply Service
3020-01-159-7844 INTERCHANGEABLE
Gear,spur
3110-01-359-8936783 INTERCHANGEABLE
Cone,tapered Roller Bearing
The Timken Corporation
6620-01-471-209907884-00 INTERCHANGEABLE
Indicator,pressure
Maxima Technologies & Systems Llc
6150-01-601-4940783 INTERCHANGEABLE
Bus,conductor
Janco Corporation Dba Janco Corp Div Mason Controls
Cross-Reference Index
Part NumberManufacturer
783 Kupferle John C Foundry Co (USA)
Related Parts
5940-00-258-5200INTERCHANGEABLE
TERMINAL,STUD
5360-00-291-7605INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5340-00-598-0153INTERCHANGEABLE
CLAMP,LOOP
783
5340-00-598-9866INTERCHANGEABLE
CLAMP,LOOP
5970-00-686-7991INTERCHANGEABLE
INSULATOR,STANDOFF
861
5120-00-858-0969INTERCHANGEABLE
WRENCH,SPANNER
DWG5120-00-858-0969
3020-01-159-7844INTERCHANGEABLE
GEAR,SPUR
3110-01-359-8936INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
783
6620-01-471-2099INTERCHANGEABLE
INDICATOR,PRESSURE
07884-00
6150-01-601-4940INTERCHANGEABLE
BUS,CONDUCTOR
783
6625-01-694-2045INTERCHANGEABLE
PORTABLE HIGH TEMPERATURE FURNAC
783

Frequently Asked Questions

What is NSN 5310-00-901-9066?

NSN 5310-00-901-9066 is a Washer,iron,top, manufactured by Kupferle John C Foundry Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-901-9066?

NSN 5310-00-901-9066 has 1 cross-referenced part number: 783 (Kupferle John C Foundry Co).

What NSN replaces 5310-00-901-9066?

There are 11 known substitutes for 5310-00-901-9066: 5940-00-258-5200, 5360-00-291-7605, 5340-00-598-0153 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 783?

Key specifications for 783: Reference Number Differentiating Characteristics: FOR TOP,LEATHER SEAT VALVE FOR NO.S 65,70 AND 75.5 HYDRANTS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com