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Technical Data Sheet
PartsTable / COMPONENT / 855-025-041
855-025-041 ✓ Verified by PartsTable
HP · 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

This HP laptop keyboard can be used as a replacement, if the original keyboard is damaged or broken. The keyboard is very easy to fit. Key specifications include material: COPPER ALLOY, overall_height: 1.945 INCHES NOMINAL IN, flange_diameter: 9.081 INCHES NOMINAL IN, inside_diameter: 0.625 INCHES NOMINAL IN, outside_diameter: 6.393 INCHES NOMINAL IN, special_features: FLANGE CONTAINS 8 BOLT HOLES.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-081-3888, 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
855-025-041
NSN: 4820-01-081-3888
FSC: 4820
CAGE: 51729 — DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height1.945 INCHES NOMINAL IN
flange_diameter9.081 INCHES NOMINAL IN
inside_diameter0.625 INCHES NOMINAL IN
outside_diameter6.393 INCHES NOMINAL IN
special_featuresFLANGE CONTAINS 8 BOLT HOLES
style_designatorPLAIN FLANGED
under_flange_height1.068 INCHES NOMINAL IN
body_inside_diameter4.745 INCHES NOMINAL IN
body_outside_diameter5.777 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.445 INCHES NOMINAL IN
NSN4820-01-081-3888
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 855-025-041 · HP ⚠ 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: 6.393 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER6.393 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
OVERALL HEIGHT1.945 INCHES NOMINAL IN
INSIDE DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
838-859-041Interchangeable
interchangeable cross-reference
interchangeable
855-025-041Interchangeable
interchangeable cross-reference
interchangeable
861-708-041Interchangeable
interchangeable cross-reference
interchangeable
861-709-041Interchangeable
Same NIIN cross-reference
interchangeable
838-858-041Interchangeable
Same NIIN cross-reference
interchangeable
855-025-041 ITEM 2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 855-025-041?
855-025-041 is a DISK,VALVE manufactured by HP.
What parts can replace 855-025-041?
There are 6 known substitutes for 855-025-041: 838-859-041, 855-025-041, 861-708-041 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 855-025-041?
855-025-041 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-081-3888. 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