PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10188-1Valve,angle

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-121-1496 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-121-1496 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-1496. Primary manufacturer part number: 10188-1.
Features
  • Valve,angle — FSC 4820
  • Valve Operation Method: MANUAL
  • Maximum Operating Temp: 70.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Mounting Facility: BULKHEAD
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Flow Control Device: STEM
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-121-1496, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-121-1496
Primary Part Number10188-1
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Valve Operation MethodMANUAL
Maximum Operating Temp70.0 FAHRENHEIT SINGLE RESPONSE DEGF
Mounting FacilityBULKHEAD
Connection StyleSOCKET (TUBE) ALL ENDS
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Flow Control DeviceSTEM
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Style DesignatorANGLE
MaterialSTEEL COMP 316 OVERALL
Features ProvidedBONNET PACKING
Furnished Items and Quantity2 NUT AND 2 TAILPIECE
Material Document and ClassificationAISI316 ASSN STD ALL MATERIAL RESPONSES OVERALL
Bonnet Attachment MethodTHREADED
Bonnet TypeINSIDE SCREW
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2805-00-088-3337110-0881 INTERCHANGEABLE
Valve,poppet,engine
Cummins Power Generation Inc.
3825-00-483-5423101881 INTERCHANGEABLE
Disc,valve,dirt Cle
Allianz Sweeper Company
5325-00-530-58931019-806 INTERCHANGEABLE
Ring,retaining
Woodward, Inc. Div Fuel Systems and Controls
5895-00-546-5170101881 INTERCHANGEABLE
Panel Assembly,code
Aimtron Systems, Llc
1730-00-568-0601101881 INTERCHANGEABLE
Guide,cable Latch P
Air Logistics Corporation Dba Air Logistics Corp
6610-00-942-3085101881 INTERCHANGEABLE
Plate,mounting,rear
Astronautics Corporation of America
5820-01-078-5562 INTERCHANGEABLE
Control,radio Set
5910-01-124-7012101881 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Marine Electric Systems Inc
5930-01-285-9044 INTERCHANGEABLE
Switch,electrical
7530-01-611-027110188-1 INTERCHANGEABLE
Paper,copying,xerographic Proces
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
10188-1 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
2805-00-088-3337INTERCHANGEABLE
VALVE,POPPET,ENGINE
110-0881
3825-00-483-5423INTERCHANGEABLE
DISC,VALVE,DIRT CLE
101881
5325-00-530-5893INTERCHANGEABLE
RING,RETAINING
1019-806
5895-00-546-5170INTERCHANGEABLE
PANEL ASSEMBLY,CODE
101881
1730-00-568-0601INTERCHANGEABLE
GUIDE,CABLE LATCH P
101881
6610-00-942-3085INTERCHANGEABLE
PLATE,MOUNTING,REAR
101881
5820-01-078-5562INTERCHANGEABLE
CONTROL,RADIO SET
5910-01-124-7012INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
101881
5930-01-285-9044INTERCHANGEABLE
SWITCH,ELECTRICAL
7530-01-611-0271INTERCHANGEABLE
PAPER,COPYING,XEROGRAPHIC PROCES
10188-1

Frequently Asked Questions

What is NSN 4820-01-121-1496?

NSN 4820-01-121-1496 is a Valve,angle, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-121-1496?

NSN 4820-01-121-1496 has 1 cross-referenced part number: 10188-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-121-1496?

There are 10 known substitutes for 4820-01-121-1496: 2805-00-088-3337, 3825-00-483-5423, 5325-00-530-5893 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10188-1?

Key specifications for 10188-1: Valve Operation Method: MANUAL; Maximum Operating Temp: 70.0 FAHRENHEIT SINGLE RESPONSE DEGF; Mounting Facility: BULKHEAD; Connection Style: SOCKET (TUBE) ALL ENDS. 16 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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