PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

APR21-18Valve Assembly

Honeywell International Inc. Div Aerospace - Torrance · NSN 4810-00-601-1070 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-601-1070 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-601-1070. Primary manufacturer part number: APR21-18.
Features
  • Valve Assembly — FSC 4810
  • 7 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4810-00-601-1070, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-601-1070
Primary Part NumberAPR21-18
Item NameValve Assembly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-033-4725 INTERCHANGEABLE
Bearing Ball Journa
3110-00-100-0228 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3120-00-354-0658 INTERCHANGEABLE
Bearing,sleeve
1680-00-565-7541 INTERCHANGEABLE
Control Box Assy,ac
4240-01-562-4738108420 INTERCHANGEABLE
Breathing Apparatus,self-Contain
Aqualung Usa, Inc
5342-01-735-4797108420-1 INTERCHANGEABLE
Bracket,double Angle
Naval Surface Warfare Center Dahlgren Div
5342-01-735-4818108420-2 INTERCHANGEABLE
Bracket,double Angle
Naval Surface Warfare Center Dahlgren Div
Cross-Reference Index
Part NumberManufacturer
APR21-18 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
APR21-18 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
108420 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
108420 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
108420 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
APR21-18 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
4810PL0855431 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3110-00-033-4725INTERCHANGEABLE
BEARING BALL JOURNA
3110-00-100-0228INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3120-00-354-0658INTERCHANGEABLE
BEARING,SLEEVE
1680-00-565-7541INTERCHANGEABLE
CONTROL BOX ASSY,AC
4240-01-562-4738INTERCHANGEABLE
BREATHING APPARATUS,SELF-CONTAIN
108420
5342-01-735-4797INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
108420-1
5342-01-735-4818INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
108420-2

Frequently Asked Questions

What is NSN 4810-00-601-1070?

NSN 4810-00-601-1070 is a Valve Assembly, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-601-1070?

NSN 4810-00-601-1070 has 7 cross-referenced part numbers: APR21-18 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), APR21-18 (Honeywell International Inc. Div Aerospace - Torrance), 108420 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 108420 (Honeywell International Inc. Div Aerospace - Torrance), 108420 (Alliedsignal Inc Dba Allied-Signal Aerospace Co) and 2 more.

What NSN replaces 4810-00-601-1070?

There are 7 known substitutes for 4810-00-601-1070: 3110-00-033-4725, 3110-00-100-0228, 3120-00-354-0658 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of APR21-18?

Key specifications for APR21-18: Special Features: MANUFACTURERS SUGGESTED NAME IS VALVE, PRESSURE-REGULATING; End Item Identification: 9P10-4-9-3. 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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