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N33971 — 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, attachment_method: BOLTS, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS, valve_model_number_for_which_designed: TYPE PDAP-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-423-1988, 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
N33971
NSN: 4820-01-423-1988
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
attachment_methodBOLTS
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
valve_model_number_for_which_designedTYPE PDAP-1
NSN4820-01-423-1988
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N33971 · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: TYPE PDAP-1
•
MATERIAL: ALUMINUM ALLOY
•
ATTACHMENT METHOD: BOLTS
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNEDTYPE PDAP-1
MATERIALALUMINUM ALLOY
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
ATTACHMENT METHODBOLTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SCB93337REVBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SCB93337InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
201413InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7-201413InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10370EBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
500552InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N33971?
N33971 is a CAP,VALVE.
What parts can replace N33971?
There are 10 known substitutes for N33971: SCB93337REVB, SCB93337, 201413 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N33971?
N33971 is cataloged in the Federal Logistics Information System under NSN 4820-01-423-1988. 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: October 2026