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Technical Data Sheet
PartsTable / COMPONENT / 374B
374B ✓ 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 BURNISHER,CONTACT,HAND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, swage_depth: 0.050 INCHES IN, overall_height: 0.470 INCHES IN, overall_length: 2.625 INCHES NOMINAL IN, blade_thickness: 0.018 INCHES NOMINAL SINGLE BLADE IN, blade_tip_width: 0.234 INCHES NOMINAL SINGLE BLADE IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-4502, 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
374B
NSN: 4820-00-146-4502
FSC: 4820
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
swage_depth0.050 INCHES IN
overall_height0.470 INCHES IN
overall_length2.625 INCHES NOMINAL IN
valve_quantity1
blade_thickness0.018 INCHES NOMINAL SINGLE BLADE IN
blade_tip_width0.234 INCHES NOMINAL SINGLE BLADE IN
terminal_length0.314 INCHES IN
largest_diameter0.187 INCHES SINGLE END IN
overall_diameter0.187 INCHES IN
special_featuresBLADE ONLY; 90 DEG ANGLE BENT TIP; FOR USE WITH NEUSES N-373D HOLDER
basic_shape_styleNONTUBULAR, ROUND
NSN4820-00-146-4502
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 374B · 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 QUANTITY: 1
•
END CONNECTION QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
VALVE QUANTITY1
END CONNECTION QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
374BInterchangeable
interchangeable cross-reference
interchangeable
374PInterchangeable
interchangeable cross-reference
interchangeable
5120-00-308-3778Interchangeable
interchangeable cross-reference
interchangeable
BPR-125-2-FSD3Interchangeable
interchangeable cross-reference
interchangeable
988121-31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 374B?
374B is a BURNISHER,CONTACT,HAND.
What parts can replace 374B?
There are 5 known substitutes for 374B: 374B, 374P, 5120-00-308-3778 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 374B?
374B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-4502. 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