PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111X-2-005Valve,safety Relief

F.c.kingston Co. Dba Storm Manufacturing · NSN 4820-01-497-0552 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-497-0552 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-0552. Primary manufacturer part number: 111X-2-005.
Features
  • Valve,safety Relief — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: F.c.kingston Co. Dba Storm Manufacturing
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-497-0552, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-497-0552
Primary Part Number111X-2-005
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerF.c.kingston Co. Dba Storm Manufacturing
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
8340-00-285-8432 INTERCHANGEABLE
Cover,tent
5985-00-296-142954542 INTERCHANGEABLE
Waveguide Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
5962-01-084-6864 INTERCHANGEABLE
Microcircuit,digital
4820-01-497-0696 INTERCHANGEABLE
Valve,ball
5365-01-543-142254542 INTERCHANGEABLE
Bushing,machine Thread
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
111X-2-005 PRIMARY F.c.kingston Co. Dba Storm Manufacturing (USA)
54542 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
54542 FIND NO 15 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
8340-00-285-8432INTERCHANGEABLE
COVER,TENT
5985-00-296-1429INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
54542
5962-01-084-6864INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-497-0696INTERCHANGEABLE
VALVE,BALL
5365-01-543-1422INTERCHANGEABLE
BUSHING,MACHINE THREAD
54542

Frequently Asked Questions

What is NSN 4820-01-497-0552?

NSN 4820-01-497-0552 is a Valve,safety Relief, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-497-0552?

NSN 4820-01-497-0552 has 3 cross-referenced part numbers: 111X-2-005 (F.c.kingston Co. Dba Storm Manufacturing), 54542 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 54542 FIND NO 15 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-01-497-0552?

There are 5 known substitutes for 4820-01-497-0552: 8340-00-285-8432, 5985-00-296-1429, 5962-01-084-6864 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 111X-2-005?

Key specifications for 111X-2-005: End Item Identification: DEMINERALED WATER UNIT. 1 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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