PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-100Pump Assembly

Topworx Inc · NSN 4930-00-603-6647 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-00-603-6647 — this item is cataloged by the U.S. Government under National Stock Number 4930-00-603-6647. Primary manufacturer part number: 33-100.
Features
  • Pump Assembly — FSC 4930
  • 3 verified cross-references
  • Primary manufacturer: Topworx Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Assembly, cataloged under National Stock Number 4930-00-603-6647, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Topworx Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePump Assembly
FSC / FSG4930 — No Item Name Available (FSG 49)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Topworx Inc (CAGE 04553)
Technical Specifications
ParameterValue
NSN4930-00-603-6647
Primary Part Number33-100
Item NamePump Assembly
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerTopworx Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-141-4967A6304 INTERCHANGEABLE
Gasket
Fairbanks Morse, Llc
2540-00-255-92061137HX2 INTERCHANGEABLE
Blade,windshield Wiper
Oshkosh Defense Llc
5110-01-066-287033100 INTERCHANGEABLE
Cutting Wheel,pipe Cutter
Ridge Tool Company
6505-01-149-916733100 INTERCHANGEABLE
Dipyridamole Tablets
U S Dept of Veterans Affairs
4820-01-159-773933100 INTERCHANGEABLE
Valve Assembly
Tate Andale, Llc
5110-01-335-0611 INTERCHANGEABLE
Chisel,cold,hand
6625-01-727-386033-100 INTERCHANGEABLE
Test Set,electrical Cable
Molex, Llc
Cross-Reference Index
Part NumberManufacturer
58A72C3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
58A72C3 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
33-100 PRIMARY Topworx Inc (USA)
Related Parts
5330-00-141-4967INTERCHANGEABLE
GASKET
A6304
2540-00-255-9206INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
1137HX2
5110-01-066-2870INTERCHANGEABLE
CUTTING WHEEL,PIPE CUTTER
33100
6505-01-149-9167INTERCHANGEABLE
DIPYRIDAMOLE TABLETS
33100
4820-01-159-7739INTERCHANGEABLE
VALVE ASSEMBLY
33100
5110-01-335-0611INTERCHANGEABLE
CHISEL,COLD,HAND
6625-01-727-3860INTERCHANGEABLE
TEST SET,ELECTRICAL CABLE
33-100

Frequently Asked Questions

What is NSN 4930-00-603-6647?

NSN 4930-00-603-6647 is a Pump Assembly, manufactured by Topworx Inc, classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-00-603-6647?

NSN 4930-00-603-6647 has 3 cross-referenced part numbers: 58A72C3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 58A72C3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 33-100 (Topworx Inc).

What NSN replaces 4930-00-603-6647?

There are 7 known substitutes for 4930-00-603-6647: 5330-00-141-4967, 2540-00-255-9206, 5110-01-066-2870 and 4 more. Verify interchangeability with system specifications before substitution.

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