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Technical Data Sheet
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3,313,368 PIECE 7 — 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 RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 2.375 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, bb_end_shank_diameter: 3.781 INCHES NOMINAL IN, major_diameter_length: 0.594 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-200-8201, 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
3,313,368 PIECE 7
NSN: 4820-01-200-8201
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length2.375 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
bb_end_shank_diameter3.781 INCHES NOMINAL IN
major_diameter_length0.594 INCHES NOMINAL IN
NSN4820-01-200-8201
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3,313,368 PIECE 7 · 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
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MAJOR DIAMETER LENGTH: 0.594 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 3.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIALCOPPER ALLOY
STYLE DESIGNATORPLAIN FLANGED
MAJOR DIAMETER LENGTH0.594 INCHES NOMINAL IN
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
BB END SHANK DIAMETER3.781 INCHES NOMINAL IN
OVERALL LENGTH2.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1-4GR100STN440InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1-4STAINLESSSTEELBALLGRADE1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
650864InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BA10041-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8517P243InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8168531InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3,313,368 PIECE 7?
3,313,368 PIECE 7 is a RETAINER,ELECTRON TUBE.
What parts can replace 3,313,368 PIECE 7?
There are 14 known substitutes for 3,313,368 PIECE 7: 1-4GR100STN440, 1-4STAINLESSSTEELBALLGRADE1, 650864 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3,313,368 PIECE 7?
3,313,368 PIECE 7 is cataloged in the Federal Logistics Information System under NSN 4820-01-200-8201. 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: September 2026