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Technical Data Sheet
PartsTable / MRO / 1B654
1B654 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 FILTER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, stem_type: RISING, valve_size: 2.000 INCHES IN, bonnet_type: INSIDE SPRING, connection_type: THREADED INTERNAL PIPE, features_provided: BONNET PACKING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-554-8718, 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
MRO→ MRO_GENERAL→ 1B654
NSN: 4820-00-554-8718
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
stem_typeRISING
valve_size2.000 INCHES IN
bonnet_typeINSIDE SPRING
connection_typeTHREADED INTERNAL PIPE
features_providedBONNET PACKING
nominal_thread_size2.000 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodUNION
thread_series_designatorNPT
nondefinitive_spec/std_data2 TYPE AND 200PSIJENCJSZ2.000 CLASS
operating_pressure_and_type200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4820-00-554-8718
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1B654 · 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
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
OPERATING PRESSURE AND TYPE: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
STEM TYPE: RISING
•
SPECIFICATION/STANDARD DATA: 59646-MSS SP-80 MANUFACTURERS STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SEAT
NOMINAL THREAD SIZE2.000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY BODY
OPERATING PRESSURE AND TYPE200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
STEM TYPERISING
SPECIFICATION/STANDARD DATA59646-MSS SP-80 MANUFACTURERS STANDARD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 200PSIJENCJSZ2.000 CLASS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED500.0 FAHRENHEIT STEAM AND 500.0 FAHRENHEIT WATER-OIL-GAS DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
4242Interchangeable
interchangeable cross-reference
interchangeable
FF-B-588 TY1CLAST1Interchangeable
interchangeable cross-reference
interchangeable
FF-B-588Interchangeable
interchangeable cross-reference
interchangeable
1008418-1Interchangeable
interchangeable cross-reference
interchangeable
C745479-1Interchangeable
interchangeable cross-reference
interchangeable
C745479Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B654?
1B654 is a FILTER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1B654?
There are 21 known substitutes for 1B654: 4242, FF-B-588 TY1CLAST1, FF-B-588 and 18 more. Substitute compatibility should be verified for your specific system.
Is 1B654 still available?
1B654 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