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PartsTable / COMPONENT / 8884 ITEM 8 20IN
8884 ITEM 8 20IN ✓ Verified by PartsTable
— · 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: COPPER ALLOY 485, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 20.000 INCHES IN, valve_type_for_which_designed: GATE, material_document_and_classification: ASTM B21 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 4820-01-294-4887, 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
8884 ITEM 8 20IN
NSN: 4820-01-294-4887
FSC: 4820
CAGE: 79342 — WILLIAM E WILLIAMS VALVE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 485
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed20.000 INCHES IN
valve_type_for_which_designedGATE
material_document_and_classificationASTM B21 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-294-4887
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8884 ITEM 8 20IN · 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
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 20.000 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
MATERIAL: COPPER ALLOY 485
TECHNICAL CHARACTERISTICS (FLIS)
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE SIZE FOR WHICH DESIGNED20.000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B21 ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDGATE
MATERIALCOPPER ALLOY 485
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
49032Interchangeable
interchangeable cross-reference
interchangeable
B70026Interchangeable
interchangeable cross-reference
interchangeable
121593Interchangeable
interchangeable cross-reference
interchangeable
H7548Interchangeable
interchangeable cross-reference
interchangeable
4T8884Interchangeable
interchangeable cross-reference
interchangeable
8884Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8884 ITEM 8 20IN?
8884 ITEM 8 20IN is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 8884 ITEM 8 20IN?
There are 14 known substitutes for 8884 ITEM 8 20IN: 49032, B70026, 121593 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8884 ITEM 8 20IN?
8884 ITEM 8 20IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-294-4887. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026