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Technical Data Sheet

A-49120 PIECE 38 — 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

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, valve_design_control_activity: 15187, valve_type_for_which_designed: RELIEF, material_document_and_classification: ASTM B-164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: 2-1/2H3-1/2 HNB-H. This part is cataloged in the Federal Logistics Information System under NSN 4820-01-207-9905, 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
A-49120 PIECE 38
NSN: 4820-01-207-9905
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY
valve_design_control_activity15187
valve_type_for_which_designedRELIEF
material_document_and_classificationASTM B-164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed2-1/2H3-1/2 HNB-H
NSN4820-01-207-9905
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-49120 PIECE 38 · 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 DOCUMENT AND CLASSIFICATION: ASTM B-164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 2-1/2H3-1/2 HNB-H
•
MATERIAL: COPPER ALLOY
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
VALVE DESIGN CONTROL ACTIVITY: 15187
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE
VALVE MODEL NUMBER FOR WHICH DESIGNED2-1/2H3-1/2 HNB-H
MATERIALCOPPER ALLOY
VALVE TYPE FOR WHICH DESIGNEDRELIEF
VALVE DESIGN CONTROL ACTIVITY15187
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A49151PC3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
082791InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82791InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A49148InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HNBJInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-49120 PIECE 37InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-49120 PIECE 38?
A-49120 PIECE 38 is a PISTON,VALVE.
What parts can replace A-49120 PIECE 38?
There are 20 known substitutes for A-49120 PIECE 38: A49151PC3, 082791, 82791 and 17 more. Substitute compatibility should be verified for your specific system.
Is A-49120 PIECE 38 still available?
A-49120 PIECE 38 is currently cancelled.
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