PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0731-33Diaphragm

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4310-00-887-3623 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-887-3623 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-887-3623. Primary manufacturer part number: 0731-33.
Features
  • Diaphragm — FSC 4310
  • 3 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Diaphragm, cataloged under National Stock Number 4310-00-887-3623, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. This item has 3 commercial cross-references from 2 manufacturers, 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 NameDiaphragm
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersCircor Aerospace, Inc. Dba Circor Aerospace Inc (CAGE 91816); Victor Equipment Co (CAGE 63026)
Technical Specifications
ParameterValue
NSN4310-00-887-3623
Primary Part Number0731-33
Item NameDiaphragm
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6550-01-360-56907231 INTERCHANGEABLE
Hematoxylin Stain
Richard-Allan Scientific Llc
Cross-Reference Index
Part NumberManufacturer
2205-0113 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
0731-33 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
0731-33 Victor Equipment Co (USA)
Related Parts
6550-01-360-5690INTERCHANGEABLE
HEMATOXYLIN STAIN
7231

Frequently Asked Questions

What is NSN 4310-00-887-3623?

NSN 4310-00-887-3623 is a Diaphragm, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-887-3623?

NSN 4310-00-887-3623 has 3 cross-referenced part numbers: 2205-0113 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 0731-33 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 0731-33 (Victor Equipment Co).

What NSN replaces 4310-00-887-3623?

There is 1 known substitute for 4310-00-887-3623: 6550-01-360-5690. Verify interchangeability with system specifications before substitution.

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