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PartsTable / COMPONENT / 83309-37- 4IN PC 11
83309-37- 4IN PC 11 ✓ 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

The SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, valve_size: 4.000 INCHES IN, valve_type: GATE, flange_shape: ROUND, flange_diameter: 2.250 INCHES IN, special_features: W/S NIMITZ CLASS CVN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-463-4321, 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
83309-37- 4IN PC 11
NSN: 4820-01-463-4321
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 316
valve_size4.000 INCHES IN
valve_typeGATE
flange_shapeROUND
flange_diameter2.250 INCHES IN
special_featuresW/S NIMITZ CLASS CVN
bolt_hole_quantity2
end_item_identificationEND ITEM;GATE VALVE,4.00IN IN
bolt_hole_nominal_diameter0.250 INCHES IN
nominal_center_hole_diameter1.3750 INCHES IN
NSN4820-01-463-4321
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 83309-37- 4IN PC 11 · 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: STEEL COMP 316
•
BOLT HOLE QUANTITY: 2
•
NOMINAL CENTER HOLE DIAMETER: 1.3750 INCHES IN
•
FLANGE SHAPE: ROUND
•
VALVE SIZE: 4.000 INCHES IN
•
VALVE TYPE: GATE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESW/S NIMITZ CLASS CVN
MATERIALSTEEL COMP 316
BOLT HOLE QUANTITY2
NOMINAL CENTER HOLE DIAMETER1.3750 INCHES IN
FLANGE SHAPEROUND
END ITEM IDENTIFICATIONEND ITEM;GATE VALVE,4.00IN IN
VALVE SIZE4.000 INCHES IN
VALVE TYPEGATE
FLANGE DIAMETER2.250 INCHES IN
BOLT HOLE NOMINAL DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4993018Interchangeable
interchangeable cross-reference
interchangeable
83309Interchangeable
interchangeable cross-reference
interchangeable
D2TZ18124GInterchangeable
interchangeable cross-reference
interchangeable
83309-42 PC5Interchangeable
interchangeable cross-reference
interchangeable
8552-003-062Interchangeable
interchangeable cross-reference
interchangeable
83309 ITEM 22 3INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 83309-37- 4IN PC 11?
83309-37- 4IN PC 11 is a SHOCK ABSORBER,DIRECT ACTION.
What parts can replace 83309-37- 4IN PC 11?
There are 9 known substitutes for 83309-37- 4IN PC 11: 4993018, 83309, D2TZ18124G and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 83309-37- 4IN PC 11?
83309-37- 4IN PC 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-463-4321. 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