PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E8606AA51ML1Valve,relief,pressure and Temper

Naval Inventory Control Point Mechanicsburg · NSN 4820-01-146-8749 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-146-8749 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-8749. Primary manufacturer part number: E8606AA51ML1.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
  • Adjustable Pressure Range: 601.0 TO 750.0 CAMERA MOUNT
  • Criticality Code Justification: ZZZY
  • Material: COPPER ALLOY BODY
  • 2 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-146-8749, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 4 verified specifications, 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
NSN4820-01-146-8749
Primary Part NumberE8606AA51ML1
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
Adjustable Pressure Range601.0 TO 750.0 CAMERA MOUNT
Criticality Code JustificationZZZY
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-131-9518E8606AA51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
E8606AA51ML1 Naval Inventory Control Point Mechanicsburg (USA)
E8606AA51M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-01-131-9518INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8606AA51M

Frequently Asked Questions

What is NSN 4820-01-146-8749?

NSN 4820-01-146-8749 is a Valve,relief,pressure and Temper, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-146-8749?

NSN 4820-01-146-8749 has 2 cross-referenced part numbers: E8606AA51ML1 (Naval Inventory Control Point Mechanicsburg), E8606AA51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-146-8749?

There is 1 known substitute for 4820-01-146-8749: 4820-01-131-9518. Verify interchangeability with system specifications before substitution.

What are the specifications of E8606AA51ML1?

Key specifications for E8606AA51ML1: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Adjustable Pressure Range: 601.0 TO 750.0 CAMERA MOUNT; Criticality Code Justification: ZZZY; Material: COPPER ALLOY BODY. 4 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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