PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43020Cover,relief Valve

Triumph Engine Control Systems Llc · NSN 2915-00-605-2721 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-605-2721 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-605-2721. Primary manufacturer part number: 43020.
Features
  • Cover,relief Valve — FSC 2915
  • General Characteristics Item Description: ALUMINUM ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cover,relief Valve, cataloged under National Stock Number 2915-00-605-2721, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2915-00-605-2721
Primary Part Number43020
Item NameCover,relief Valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
General Characteristics Item DescriptionALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-335-2578249IFHD-4-2 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
5120-00-419-5698 INTERCHANGEABLE
Key Set,socket Head Screw
6625-00-422-3126537702-17 INTERCHANGEABLE
Detecting Element,directional Co
Raytheon Company Dba Raytheon
5950-00-829-3296677-0309-010 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6615-00-937-972043020 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5930-01-274-10264302000 INTERCHANGEABLE
Switch,thermostatic
Phoenix Products Llc Dba Phoenix Lighting Products Llc
9150-01-490-4564 INTERCHANGEABLE
Cutting Fluid
4730-01-625-505743020 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
6130-01-664-2758 INTERCHANGEABLE
Charger,battery
5975-01-671-332097361353 INTERCHANGEABLE
Rail,guide
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
43020 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
4730-00-335-2578INTERCHANGEABLE
ELBOW,PIPE TO TUBE
249IFHD-4-2
5120-00-419-5698INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
6625-00-422-3126INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
537702-17
5950-00-829-3296INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0309-010
6615-00-937-9720INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
43020
5930-01-274-1026INTERCHANGEABLE
SWITCH,THERMOSTATIC
4302000
9150-01-490-4564INTERCHANGEABLE
CUTTING FLUID
4730-01-625-5057INTERCHANGEABLE
CLAMP,HOSE
43020
6130-01-664-2758INTERCHANGEABLE
CHARGER,BATTERY
5975-01-671-3320INTERCHANGEABLE
RAIL,GUIDE
97361353

Frequently Asked Questions

What is NSN 2915-00-605-2721?

NSN 2915-00-605-2721 is a Cover,relief Valve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2915-00-605-2721?

NSN 2915-00-605-2721 has 1 cross-referenced part number: 43020 (Triumph Engine Control Systems Llc).

What NSN replaces 2915-00-605-2721?

There are 10 known substitutes for 2915-00-605-2721: 4730-00-335-2578, 5120-00-419-5698, 6625-00-422-3126 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43020?

Key specifications for 43020: End Item Identification: CONTROL ASSEMBLY,AFTERBURNER FUEL,PART NO. 42800A1,ACFT J57; General Characteristics Item Description: ALUMINUM ALLOY. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2915-00-605-2721 still in active supply?

NSN 2915-00-605-2721 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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