PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-02-266CValve,regulating,fluid Pressure

Griswold Industries Dba Cla-Val Co · NSN 4810-01-220-0939 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-220-0939 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-220-0939. Primary manufacturer part number: 100-02-266C.
Features
  • Valve,regulating,fluid Pressure — FSC 4810
  • Regulation Type: AUTOMATIC DOUBLE STAGE
  • Valve Loading Method: SPRING
  • Thread Size and Series/type Designator: 0.375-18 NPT FIRST END
  • Body Style: STRAIGHT THRU
  • First End Connection Type: THREADED INTERNAL PIPE
  • Second End Relationship with First End: IDENTICAL
  • Temp Rating: 180.0 FAHRENHEIT NOMINAL DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4810-01-220-0939, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-220-0939
Primary Part Number100-02-266C
Item NameValve,regulating,fluid Pressure
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Regulation TypeAUTOMATIC DOUBLE STAGE
Valve Loading MethodSPRING
Thread Size and Series/type Designator0.375-18 NPT FIRST END
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED INTERNAL PIPE
Second End Relationship with First EndIDENTICAL
Temp Rating180.0 FAHRENHEIT NOMINAL DEGF
First End Style DesignatorPLAIN
Flow Control DeviceDISK
End Connection Quantity2
First End Thread DirectionRIGHT-HAND
FilterNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7530-00-223-796670860 INTERCHANGEABLE
Paper,teletypewriter,roll
Maxwell Paper Products Co Dba Maxwell Paper Products
5950-00-224-20219-1093-1 INTERCHANGEABLE
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Eaton Corp Opns & Technical Center
6130-00-279-2906PP7012FSC INTERCHANGEABLE
Power Supply Assembly
Joint Electronics Type Designation System
5305-00-451-194710931 INTERCHANGEABLE
Screw,cap,socket Head
Eaton Aerospace, Llc Dba Jackson South
5950-01-014-7908SM-D-414235 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-01-067-754710931 INTERCHANGEABLE
Hose Assembly,nonmetallic
Tyco Fire Products Lp
4820-01-107-202910931 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Imi Cash Valve Inc
6625-01-111-2578 INTERCHANGEABLE
Meter Assembly
5310-01-415-534810931 INTERCHANGEABLE
Nut,plain,hexagon
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
5120-01-532-3455 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
100-02-136H Griswold Industries Dba Cla-Val Co (USA)
10931 Griswold Industries Dba Cla-Val Co (USA)
100-02-266C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
7530-00-223-7966INTERCHANGEABLE
PAPER,TELETYPEWRITER,ROLL
70860
5950-00-224-2021INTERCHANGEABLE
COIL,ELECTRICAL
9-1093-1
6130-00-279-2906INTERCHANGEABLE
POWER SUPPLY ASSEMBLY
PP7012FSC
5305-00-451-1947INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10931
5950-01-014-7908INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-414235
4720-01-067-7547INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
10931
4820-01-107-2029INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
10931
6625-01-111-2578INTERCHANGEABLE
METER ASSEMBLY
5310-01-415-5348INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10931
5120-01-532-3455INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
6145-01-551-5746INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
10931
6130-01-659-0939INTERCHANGEABLE
POWER SUPPLY
10931

Frequently Asked Questions

What is NSN 4810-01-220-0939?

NSN 4810-01-220-0939 is a Valve,regulating,fluid Pressure, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-220-0939?

NSN 4810-01-220-0939 has 3 cross-referenced part numbers: 100-02-136H (Griswold Industries Dba Cla-Val Co), 10931 (Griswold Industries Dba Cla-Val Co), 100-02-266C (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4810-01-220-0939?

There are 12 known substitutes for 4810-01-220-0939: 7530-00-223-7966, 5950-00-224-2021, 6130-00-279-2906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-02-266C?

Key specifications for 100-02-266C: Regulation Type: AUTOMATIC DOUBLE STAGE; Valve Loading Method: SPRING; Thread Size and Series/type Designator: 0.375-18 NPT FIRST END; Body Style: STRAIGHT THRU. 12 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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