PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-4FValve,angle

Carpenter Mfg Corp · NSN 4820-00-829-1252 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-829-1252 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-829-1252. Primary manufacturer part number: 1-4F.
Features
  • Valve,angle — FSC 4820
  • Flow Control Device: NEEDLE
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: COPPER ALLOY SEAT
  • Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
  • Bonnet Attachment Method: THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-829-1252, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Carpenter Mfg Corp. Government technical data includes 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-829-1252
Primary Part Number1-4F
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCarpenter Mfg Corp
StatusACTIVE
Flow Control DeviceNEEDLE
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp350.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY SEAT
Nominal Pipe Size Accommodated0.250 INCHES ALL ENDS IN
Bonnet Attachment MethodTHREADED
Thread Quantity Per Inch18 ALL ENDS
MaterialCOPPER ALLOY BODY
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Bonnet TypeINSIDE SCREW
Features ProvidedBONNET PACKING
Valve Operation MethodMANUAL
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nominal Thread Size0.250 INCHES ALL ENDS IN
Style DesignatorANGLE
MaterialSTEEL CORROSION RESISTING STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2040-00-109-559814F INTERCHANGEABLE
Endlock
Wayne Dalton Corp Kinnear Div
3540-00-299-981114F INTERCHANGEABLE
Sealing Machine
Technaseal
Cross-Reference Index
Part NumberManufacturer
1-4F Carpenter Mfg Corp (USA)
Related Parts
2040-00-109-5598INTERCHANGEABLE
ENDLOCK
14F
3540-00-299-9811INTERCHANGEABLE
SEALING MACHINE
14F

Frequently Asked Questions

What is NSN 4820-00-829-1252?

NSN 4820-00-829-1252 is a Valve,angle, manufactured by Carpenter Mfg Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-829-1252?

NSN 4820-00-829-1252 has 1 cross-referenced part number: 1-4F (Carpenter Mfg Corp).

What NSN replaces 4820-00-829-1252?

There are 2 known substitutes for 4820-00-829-1252: 2040-00-109-5598, 3540-00-299-9811. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-4F?

Key specifications for 1-4F: Flow Control Device: NEEDLE; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF. 20 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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