PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1642893Valve,regulating,fluid Pressure

Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc · NSN 4820-01-570-9269 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-570-9269 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-570-9269. Primary manufacturer part number: 1642893.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-570-9269, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-570-9269
Primary Part Number1642893
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4030-00-003-1801400978 INTERCHANGEABLE
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1560-00-859-865332-83231-8 INTERCHANGEABLE
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The Boeing Company Div Defense
6250-01-061-8422400978 INTERCHANGEABLE
Lampholder Assembly
Fluke Corp
2530-01-066-5004400978 INTERCHANGEABLE
Spindle,wheel,driving-Nondriving
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
1642893 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
400978 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
Related Parts
4030-00-003-1801INTERCHANGEABLE
SLEEVE
400978
1560-00-859-8653INTERCHANGEABLE
INSULATION,DUCT,AIRCRAFT
32-83231-8
6250-01-061-8422INTERCHANGEABLE
LAMPHOLDER ASSEMBLY
400978
2530-01-066-5004INTERCHANGEABLE
SPINDLE,WHEEL,DRIVING-NONDRIVING
400978

Frequently Asked Questions

What is NSN 4820-01-570-9269?

NSN 4820-01-570-9269 is a Valve,regulating,fluid Pressure, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-570-9269?

NSN 4820-01-570-9269 has 2 cross-referenced part numbers: 1642893 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), 400978 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).

What NSN replaces 4820-01-570-9269?

There are 4 known substitutes for 4820-01-570-9269: 4030-00-003-1801, 1560-00-859-8653, 6250-01-061-8422 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1642893?

Key specifications for 1642893: End Item Identification: 2320-01-522-1859; Part Name Assigned by Controlling Agency: BYPASS VALVE BODY. 2 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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