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PartsTable / COMPONENT / 20-5-4-1 PART 35 REF RQ-2
20-5-4-1 PART 35 REF RQ-2 ✓ 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 PLUG,PLUNGER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRASS 1 REQUIRED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-103-0134, 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
20-5-4-1 PART 35 REF RQ-2
NSN: 4820-01-103-0134
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS 1 REQUIRED
NSN4820-01-103-0134
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20-5-4-1 PART 35 REF RQ-2 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS 1 REQUIRED
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS 1 REQUIRED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
7810430PT32Interchangeable
interchangeable cross-reference
interchangeable
7607845REV23PT68Interchangeable
interchangeable cross-reference
interchangeable
8801K4Interchangeable
interchangeable cross-reference
interchangeable
RS27Interchangeable
interchangeable cross-reference
interchangeable
20541Interchangeable
interchangeable cross-reference
interchangeable
ERC1166-016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-5-4-1 PART 35 REF RQ-2?
20-5-4-1 PART 35 REF RQ-2 is a PLUG,PLUNGER.
What parts can replace 20-5-4-1 PART 35 REF RQ-2?
There are 26 known substitutes for 20-5-4-1 PART 35 REF RQ-2: 7810430PT32, 7607845REV23PT68, 8801K4 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-5-4-1 PART 35 REF RQ-2?
20-5-4-1 PART 35 REF RQ-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-103-0134. 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