PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PR503Hoist,chain

Duff-Norton Co Inc · NSN 3950-00-102-4683 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-00-102-4683 — this item is cataloged by the U.S. Government under National Stock Number 3950-00-102-4683. Primary manufacturer part number: PR503.
Features
  • Hoist,chain — FSC 3950
  • Current Type: AC
  • Prime Mover Type: ELECTRIC MOTOR
  • Travel Rate Per Minute: 17.0 FEET FT
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: HOOK SUSPENSION
  • Voltage in Volts: 220.0
  • Phase: THREE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hoist,chain, cataloged under National Stock Number 3950-00-102-4683, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Duff-Norton Co Inc. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3950-00-102-4683
Primary Part NumberPR503
Item NameHoist,chain
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerDuff-Norton Co Inc
StatusACTIVE
Current TypeAC
Prime Mover TypeELECTRIC MOTOR
Travel Rate Per Minute17.0 FEET FT
Inclosure TypeFULLY INCLOSED
Mounting MethodHOOK SUSPENSION
Voltage in Volts220.0
PhaseTHREE
Prime Mover Quantity1
Chain TypeROLLER LINK
Load Rating2000.0 POUNDS MAXIMUM LBS
Frequency in Hertz60.0
Operation MethodPOWERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-833-38411649-2 INTERCHANGEABLE
Terminal,feedthru
Lta/d-Cemco Inc Dba D-Cemco
3441-01-715-1711PR-503 INTERCHANGEABLE
Forming Machine,sheet Metal,slip
Jpw Industries Inc. Dba Jpw Industries Inc
Cross-Reference Index
Part NumberManufacturer
PR503 Duff-Norton Co Inc (USA)
Related Parts
5940-00-833-3841INTERCHANGEABLE
TERMINAL,FEEDTHRU
1649-2
3441-01-715-1711INTERCHANGEABLE
FORMING MACHINE,SHEET METAL,SLIP
PR-503

Frequently Asked Questions

What is NSN 3950-00-102-4683?

NSN 3950-00-102-4683 is a Hoist,chain, manufactured by Duff-Norton Co Inc, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-00-102-4683?

NSN 3950-00-102-4683 has 1 cross-referenced part number: PR503 (Duff-Norton Co Inc).

What NSN replaces 3950-00-102-4683?

There are 2 known substitutes for 3950-00-102-4683: 5940-00-833-3841, 3441-01-715-1711. Verify interchangeability with system specifications before substitution.

What are the specifications of PR503?

Key specifications for PR503: Current Type: AC; Prime Mover Type: ELECTRIC MOTOR; Travel Rate Per Minute: 17.0 FEET FT; Inclosure Type: FULLY INCLOSED. 12 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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