PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58490Installation and Removal Tool,va

Mastercool Inc · NSN 4910-01-699-1050 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-699-1050 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-699-1050. Primary manufacturer part number: 58490.
Features
  • Installation and Removal Tool,va — FSC 4910
  • 1 verified cross-reference
  • Primary manufacturer: Mastercool Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Installation and Removal Tool,va, cataloged under National Stock Number 4910-01-699-1050, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Mastercool Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-01-699-1050
Primary Part Number58490
Item NameInstallation and Removal Tool,va
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerMastercool Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-01-020-84364739-6B INTERCHANGEABLE
Adapter,straight,tube to Hose
Danfoss Power Solutions II, Llc
5315-01-081-3536 INTERCHANGEABLE
Pin,idler
2530-01-183-262958490 INTERCHANGEABLE
Push Rod,tank,press
Aps Systems, Inc Dba Eidal International Corp
Cross-Reference Index
Part NumberManufacturer
58490 PRIMARY Mastercool Inc (USA)
Related Parts
4730-01-020-8436INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4739-6B
5315-01-081-3536INTERCHANGEABLE
PIN,IDLER
2530-01-183-2629INTERCHANGEABLE
PUSH ROD,TANK,PRESS
58490

Frequently Asked Questions

What is NSN 4910-01-699-1050?

NSN 4910-01-699-1050 is a Installation and Removal Tool,va, manufactured by Mastercool Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-699-1050?

NSN 4910-01-699-1050 has 1 cross-referenced part number: 58490 (Mastercool Inc).

What NSN replaces 4910-01-699-1050?

There are 3 known substitutes for 4910-01-699-1050: 4730-01-020-8436, 5315-01-081-3536, 2530-01-183-2629. Verify interchangeability with system specifications before substitution.

What are the specifications of 58490?

Key specifications for 58490: End Item Identification: 5180-016660751; Special Features: DESIGNED FOR USE OF SERVICING VALVE CORES IN R134A AND R12 SYSTEMS;UNIVERSAL VALVE CORE REMOVER/INSTALLER FOR STANDARD, JRA, EATON AND GM LARGE BORE VALVE CORES; ACCESS AND CHANGE VALVE CORES WHILE THE A/C SYSTEM IS STILL FILLED WITH REFRIGERANT; STAINLESS STEEL BALL VALVE DESIGN AND PATENTED THREAD REMOVER LETS THE USER BLOCK OFF THE SYSTEM WHILE CHANGING THE VALVES CORES, ALLOWING FOR NO REFRIGERANT LOSS; Part Name Assigned by Controlling Agency: UNIVERSAL R12/R134A MASTER KIT. 3 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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