PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42968Block Housing

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 1650-01-588-4839 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-588-4839 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-588-4839. Primary manufacturer part number: 42968.
Features
  • Block Housing — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block Housing, cataloged under National Stock Number 1650-01-588-4839, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace 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
NSN1650-01-588-4839
Primary Part Number42968
Item NameBlock Housing
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-310-342342968 INTERCHANGEABLE
Cover,coil
L3harris Technologies, Inc Div Space & Airborne Systems
2940-00-847-277542968 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
3110-01-172-179842968 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
42968 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
Related Parts
5950-00-310-3423INTERCHANGEABLE
COVER,COIL
42968
2940-00-847-2775INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42968
3110-01-172-1798INTERCHANGEABLE
BEARING,BALL,ANNULAR
42968

Frequently Asked Questions

What is NSN 1650-01-588-4839?

NSN 1650-01-588-4839 is a Block Housing, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-588-4839?

NSN 1650-01-588-4839 has 1 cross-referenced part number: 42968 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).

What NSN replaces 1650-01-588-4839?

There are 3 known substitutes for 1650-01-588-4839: 5950-00-310-3423, 2940-00-847-2775, 3110-01-172-1798. Verify interchangeability with system specifications before substitution.

What are the specifications of 42968?

Key specifications for 42968: End Item Identification: KC135; Part Name Assigned by Controlling Agency: BLOCK. 2 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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