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Technical Data Sheet
PartsTable / COMPONENT / 31FCB-3 3 IN.
31FCB-3 3 IN. ✓ 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 31FCB-3 3 IN. is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-137-9212, 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
31FCB-3 3 IN.
NSN: 4820-00-137-9212
FSC: 4820
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
Part Number31FCB-3 3 IN.
NSN4820-00-137-9212
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31FCB-3 3 IN. · 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
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NONDEFINITIVE SPEC/STD DATA: C GROUP AND 3 TYPE AND 5 TRIM AND 150 CLASS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
•
FACE TO FACE DISTANCE: 9.500 INCHES IN
•
NOMINAL THICKNESS: 0.875 INCHES ALL ENDS IN
•
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
•
RAISED FACE NOMINAL DIAMETER: 5.000 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE DEGF
NONDEFINITIVE SPEC/STD DATAC GROUP AND 3 TYPE AND 5 TRIM AND 150 CLASS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
FACE TO FACE DISTANCE9.500 INCHES IN
NOMINAL THICKNESS0.875 INCHES ALL ENDS IN
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
RAISED FACE NOMINAL DIAMETER5.000 INCHES ALL ENDS IN
MATERIALSTEEL BODY
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1572X-3INInterchangeable
Same NIIN cross-reference
interchangeable
1561-3INInterchangeable
Same NIIN cross-reference
interchangeable
MILV18436Interchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-18436Interchangeable
Same NIIN cross-reference
interchangeable
1561A 3INInterchangeable
Same NIIN cross-reference
interchangeable
8294SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31FCB-3 3 IN.?
31FCB-3 3 IN. is a 31FCB-3 3 IN..
What parts can replace 31FCB-3 3 IN.?
There are 6 known substitutes for 31FCB-3 3 IN.: 1572X-3IN, 1561-3IN, MILV18436 and 3 more. Substitute compatibility should be verified for your specific system.
Is 31FCB-3 3 IN. still available?
31FCB-3 3 IN. is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026