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Technical Data Sheet

20125 PIECE 8 — 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 6.875 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.500 INCHES NOMINAL IN, valve_size_for_which_designed: 0.500 INCHES IN, valve_type_for_which_designed: RELIEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-127-2662, 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
20125 PIECE 8
NSN: 4820-01-127-2662
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length6.875 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.500 INCHES NOMINAL IN
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedRELIEF
material_document_and_classificationASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedTYPE 1741, 5-150 PSIG
NSN4820-01-127-2662
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20125 PIECE 8 · 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
•
LARGEST OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: TYPE 1741, 5-150 PSIG
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
MATERIAL: NICKEL ALLOY
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
OVERALL LENGTH6.875 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNEDTYPE 1741, 5-150 PSIG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-164 ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDRELIEF
MATERIALNICKEL ALLOY
STEM ACTUATING END TYPETHREADED EXTERNALLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
201-25InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
672-1001-000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
134-021-0002InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
110 1-25/64InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
53189InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1302InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20125 PIECE 8?
20125 PIECE 8 is a STEM,FLUID VALVE.
What parts can replace 20125 PIECE 8?
There are 16 known substitutes for 20125 PIECE 8: 201-25, 672-1001-000, 134-021-0002 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20125 PIECE 8?
20125 PIECE 8 is cataloged in the Federal Logistics Information System under NSN 4820-01-127-2662. This indicates validated use in U.S. government and defense supply chains.
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