PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SPB-D1Q-A--LValve,ball

Imi Critical Engr Pbm Llc · NSN 4820-01-490-2539 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-490-2539 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-490-2539. Primary manufacturer part number: SPB-D1Q-A--L.
Features
  • Valve,ball — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Imi Critical Engr Pbm Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-490-2539, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Critical Engr Pbm Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,ball
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersImi Critical Engr Pbm Llc (CAGE 92021)
Technical Specifications
ParameterValue
NSN4820-01-490-2539
Primary Part NumberSPB-D1Q-A--L
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Critical Engr Pbm Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-490-2907SP-33-2 INTERCHANGEABLE
Ball,valve,ported
Imi Critical Engr Pbm Llc
Cross-Reference Index
Part NumberManufacturer
SPB-D1Q-A--L PRIMARY Imi Critical Engr Pbm Llc (USA)
Related Parts
4820-01-490-2907INTERCHANGEABLE
BALL,VALVE,PORTED
SP-33-2

Frequently Asked Questions

What is NSN 4820-01-490-2539?

NSN 4820-01-490-2539 is a Valve,ball, manufactured by Imi Critical Engr Pbm Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-490-2539?

NSN 4820-01-490-2539 has 1 cross-referenced part number: SPB-D1Q-A--L (Imi Critical Engr Pbm Llc).

What NSN replaces 4820-01-490-2539?

There is 1 known substitute for 4820-01-490-2539: 4820-01-490-2907. Verify interchangeability with system specifications before substitution.

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