PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-155-4-1Spring,valve

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit · NSN 4810-01-007-2996 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-007-2996 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-007-2996. Primary manufacturer part number: 8-155-4-1.
Features
  • Spring,valve — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Spring,valve, cataloged under National Stock Number 4810-01-007-2996, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSpring,valve
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (CAGE 86768)
Technical Specifications
ParameterValue
NSN4810-01-007-2996
Primary Part Number8-155-4-1
Item NameSpring,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5945-00-604-9377815541 INTERCHANGEABLE
Relay,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-01-263-374779374 INTERCHANGEABLE
Solenoid,electrical
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
8-155-4-1 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
8-1554-1 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
Related Parts
5945-00-604-9377INTERCHANGEABLE
RELAY,ROTARY
815541
5945-01-263-3747INTERCHANGEABLE
SOLENOID,ELECTRICAL
79374

Frequently Asked Questions

What is NSN 4810-01-007-2996?

NSN 4810-01-007-2996 is a Spring,valve, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 4810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4810-01-007-2996?

NSN 4810-01-007-2996 has 2 cross-referenced part numbers: 8-155-4-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 8-1554-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).

What NSN replaces 4810-01-007-2996?

There are 2 known substitutes for 4810-01-007-2996: 5945-00-604-9377, 5945-01-263-3747. Verify interchangeability with system specifications before substitution.

Is NSN 4810-01-007-2996 still in active supply?

NSN 4810-01-007-2996 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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