PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

540977Valve Assy,filter

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 2915-00-724-2623 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-724-2623 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-724-2623. Primary manufacturer part number: 540977.
Features
  • Valve Assy,filter — FSC 2915
  • Criticality Code Justification: AGAV
  • 2 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Fluid filtration and purification
  • Engine intake air cleaning
General Description

The Valve Assy,filter, cataloged under National Stock Number 2915-00-724-2623, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN2915-00-724-2623
Primary Part Number540977
Item NameValve Assy,filter
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-282-7668 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
540977 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
540977 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5305-00-282-7668INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 2915-00-724-2623?

NSN 2915-00-724-2623 is a Valve Assy,filter, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-724-2623?

NSN 2915-00-724-2623 has 2 cross-referenced part numbers: 540977 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 540977 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 2915-00-724-2623?

There is 1 known substitute for 2915-00-724-2623: 5305-00-282-7668. Verify interchangeability with system specifications before substitution.

What are the specifications of 540977?

Key specifications for 540977: Criticality Code Justification: AGAV; End Item Identification: ENGINE ACFT,J75. 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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