PartsTable
Technical Data Sheet
3BF.1 ✓ 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 3BF.1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-465-5256, 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
3BF.1
NSN: 4820-01-465-5256
FSC: 4820
CAGE: 61447 — VAL-MATIC VALVE AND MANUFACTURING CORPORATION (USA)
SPECIFICATIONS
Part Number3BF.1
NSN4820-01-465-5256
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 3BF.1 · 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 TYPE FOR WHICH DESIGNED: CHECK
VALVE MODEL NUMBER FOR WHICH DESIGNED: 503NX001
SUPPLY ITEMS AND QUANTITIES: 61447 P/N 6 BACKFLOW BUSHING-1; P/N 7 BACKFLOW ROD-1; P/N 8 ROD WIPER-1; P/N 9 O-RING SEAL-1; P/N 10 HANDLE-1; P/N 11 JAM NUT-1; P/N 12 RETAINING RING-1
COMPONENT QUANTITY: 7
VALVE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDCHECK
VALVE MODEL NUMBER FOR WHICH DESIGNED503NX001
SUPPLY ITEMS AND QUANTITIES61447 P/N 6 BACKFLOW BUSHING-1; P/N 7 BACKFLOW ROD-1; P/N 8 ROD WIPER-1; P/N 9 O-RING SEAL-1; P/N 10 HANDLE-1; P/N 11 JAM NUT-1; P/N 12 RETAINING RING-1
SPECIAL FEATURESNHA VALVE,SWING FLEX CHECK
COMPONENT QUANTITY7
VALVE SIZE FOR WHICH DESIGNED3.000 INCHES IN
END ITEM IDENTIFICATIONW/S CODE NIMITZ CLASS CVN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
3BFInterchangeable
interchangeable cross-reference
interchangeable
10947580Interchangeable
interchangeable cross-reference
interchangeable
S-103-1Interchangeable
interchangeable cross-reference
interchangeable
SS-796Interchangeable
interchangeable cross-reference
interchangeable
503NX001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3BF.1?
3BF.1 is a 3BF.1.
What parts can replace 3BF.1?
There are 5 known substitutes for 3BF.1: 3BF, 10947580, S-103-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3BF.1?
3BF.1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-465-5256. This indicates validated use in U.S. government and defense supply chains.
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