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Technical Data Sheet
PartsTable / COMPONENT / 3871L
3871L ✓ 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 TIRE,PNEUMATIC,VEHICULAR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, tire_strength: 10 PLY RATING, tire_ply_arrangement: BIAS, tire_and_size_designation: 12.00-16.50 NUMERIC, maximum_inflation_pressure: ERR-060, tire_load_maximum_capacity: 9430.0 POUNDS LOAD LIMITS LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-646-8286, 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
3871L
NSN: 4820-00-646-8286
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
tire_strength10 PLY RATING
special_featuresSTATIC SPEED; SUPER STRONG NYLON FOR ENHANCED CARRYING CAPACITY; A SQUARED-OFF SHOULDERS FOR GREATER STABILITY; SUPER SIDEWALL AND RIM SHIELD PROTECTOR; DESIGNED AND BUILT FOR AERIAL PLATFORM LIFTS
tire_ply_arrangementBIAS
tire_and_size_designation12.00-16.50 NUMERIC
maximum_inflation_pressureERR-060
tire_load_maximum_capacity9430.0 POUNDS LOAD LIMITS LBS
NSN4820-00-646-8286
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3871L · 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
•
OUTSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 230
•
UNDER FLANGE HEIGHT: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-601 FED SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: SWING CHECK
•
INSIDE DIAMETER: 2.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.375 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 230
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-601 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORSWING CHECK
SPECIAL FEATURES0.438-20 UNF THD MTG STUD ONE SIDE
INSIDE DIAMETER2.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1291 PIECE 4 3.0INInterchangeable
interchangeable cross-reference
interchangeable
3871-L-160Interchangeable
interchangeable cross-reference
interchangeable
101132-3Interchangeable
interchangeable cross-reference
interchangeable
3871LInterchangeable
interchangeable cross-reference
interchangeable
9430GCInterchangeable
interchangeable cross-reference
interchangeable
301400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3871L?
3871L is a TIRE,PNEUMATIC,VEHICULAR.
What parts can replace 3871L?
There are 6 known substitutes for 3871L: 1291 PIECE 4 3.0IN, 3871-L-160, 101132-3 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3871L?
3871L is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-646-8286. 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