PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H9-666-36-0001CPValve,safety Relief

Naval Inventory Control Point Mechanicsburg · NSN 4820-00-906-1462 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-906-1462 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-906-1462. Primary manufacturer part number: H9-666-36-0001CP.
Features
  • Valve,safety Relief — FSC 4820
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • Criticality Code Justification: ZZZY
  • 6 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-906-1462, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-906-1462
Primary Part NumberH9-666-36-0001CP
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-103-4638 INTERCHANGEABLE
Terminal,lug
3825-00-522-1395 INTERCHANGEABLE
Brush
6105-00-548-057810-174 INTERCHANGEABLE
Armature,motor
Electric Boat Corporation Div General Dynamics Electric Boat
5950-00-782-483810174 INTERCHANGEABLE
Coil,radio Frequency
Precision Electronics, Inc
6670-00-912-3461 INTERCHANGEABLE
Weight,mail and Par
5120-01-039-4133 INTERCHANGEABLE
Wrench,special
5998-01-141-436510174 INTERCHANGEABLE
Circuit Card Assembly
Disan Engineering Corp
2520-01-145-7483J8126637 INTERCHANGEABLE
Spider,universal Joint,vehicular
Chrysler Corp Engine and Components Sales Diversified Products Div
5962-01-284-038124-10177-0A INTERCHANGEABLE
Microcircuit,digital
Ballantine Laboratories Inc
5305-01-421-946110174 INTERCHANGEABLE
Screw,machine
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
H9-666-36-0001CP Naval Inventory Control Point Mechanicsburg (USA)
10174CP Naval Inventory Control Point Mechanicsburg (USA)
10174 Hexco International Dba Acd (USA)
9-666-36-0001 Air Products & Chemicals, Inc (USA)
H9-666-36-0001 Air Products & Chemicals, Inc (USA)
10152PC9 Hexco International Dba Acd (USA)
Related Parts
5940-00-103-4638INTERCHANGEABLE
TERMINAL,LUG
3825-00-522-1395INTERCHANGEABLE
BRUSH
6105-00-548-0578INTERCHANGEABLE
ARMATURE,MOTOR
10-174
5950-00-782-4838INTERCHANGEABLE
COIL,RADIO FREQUENCY
10174
6670-00-912-3461INTERCHANGEABLE
WEIGHT,MAIL AND PAR
5120-01-039-4133INTERCHANGEABLE
WRENCH,SPECIAL
5998-01-141-4365INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10174
2520-01-145-7483INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
J8126637
5962-01-284-0381INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
24-10177-0A
5305-01-421-9461INTERCHANGEABLE
SCREW,MACHINE
10174
5975-01-437-5326INTERCHANGEABLE
TRAY,MOUNTING,ELECTRONIC EQUIPME
10174

Frequently Asked Questions

What is NSN 4820-00-906-1462?

NSN 4820-00-906-1462 is a Valve,safety Relief, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-906-1462?

NSN 4820-00-906-1462 has 6 cross-referenced part numbers: H9-666-36-0001CP (Naval Inventory Control Point Mechanicsburg), 10174CP (Naval Inventory Control Point Mechanicsburg), 10174 (Hexco International Dba Acd), 9-666-36-0001 (Air Products & Chemicals, Inc), H9-666-36-0001 (Air Products & Chemicals, Inc) and 1 more.

What NSN replaces 4820-00-906-1462?

There are 11 known substitutes for 4820-00-906-1462: 5940-00-103-4638, 3825-00-522-1395, 6105-00-548-0578 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H9-666-36-0001CP?

Key specifications for H9-666-36-0001CP: Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com