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Technical Data Sheet

142F 4IN — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: COPPER ALLOY 485, features_provided: RISING STEM, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: GATE, material_document_and_classification: ASTM B21 ALLOY C ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-325-6995, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
142F 4IN
NSN: 4820-01-325-6995
FSC: 4820
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 485
features_providedRISING STEM
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedGATE
material_document_and_classificationASTM B21 ALLOY C ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed142F
NSN4820-01-325-6995
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 142F 4IN · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: COPPER ALLOY 485
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B21 ALLOY C ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 142F
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
FEATURES PROVIDED: RISING STEM
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE TYPE FOR WHICH DESIGNED: GATE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 485
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B21 ALLOY C ASSN STD SINGLE MATERIAL RESPONSE
VALVE MODEL NUMBER FOR WHICH DESIGNED142F
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
FEATURES PROVIDEDRISING STEM
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE TYPE FOR WHICH DESIGNEDGATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
7996Interchangeable
interchangeable cross-reference
interchangeable
NL20Interchangeable
interchangeable cross-reference
interchangeable
72-6970-725Interchangeable
interchangeable cross-reference
interchangeable
335C985H01Interchangeable
interchangeable cross-reference
interchangeable
C0777Interchangeable
interchangeable cross-reference
interchangeable
9100-0084Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142F 4IN?
142F 4IN is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 142F 4IN?
There are 15 known substitutes for 142F 4IN: 7996, NL20, 72-6970-725 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 142F 4IN?
142F 4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-325-6995. This indicates validated use in U.S. government and defense supply chains.
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