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PartsTable / COMPONENT / 23557 ITEM 2
23557 ITEM 2 ✓ 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

SLIDE,DIRECTIONAL CONTROL LINEAR. Key specifications include special_features: NHA 4810-01-497-5338 CONTROL VALVE ASSEMBLY, end_item_identification: PUMP UNIT PE 2-1/2" & 3", valve_model_number_for_which_designed: UFR-23557, part_name_assigned_by_controlling_agency: VALVE SPOOL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-497-5791, 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
23557 ITEM 2
NSN: 4810-01-497-5791
FSC: 4810
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
special_featuresNHA 4810-01-497-5338 CONTROL VALVE ASSEMBLY
end_item_identificationPUMP UNIT PE 2-1/2" & 3"
valve_model_number_for_which_designedUFR-23557
part_name_assigned_by_controlling_agencyVALVE SPOOL
NSN4810-01-497-5791
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 23557 ITEM 2 · 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 MODEL NUMBER FOR WHICH DESIGNED: UFR-23557
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNHA 4810-01-497-5338 CONTROL VALVE ASSEMBLY
END ITEM IDENTIFICATIONPUMP UNIT PE 2-1/2" & 3"
VALVE MODEL NUMBER FOR WHICH DESIGNEDUFR-23557
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE SPOOL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
H5582Interchangeable
interchangeable cross-reference
interchangeable
48-15021Interchangeable
interchangeable cross-reference
interchangeable
EW7197Interchangeable
interchangeable cross-reference
interchangeable
23557Interchangeable
interchangeable cross-reference
interchangeable
DPM18-2Interchangeable
interchangeable cross-reference
interchangeable
31009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23557 ITEM 2?
23557 ITEM 2 is a SLIDE,DIRECTIONAL CONTROL LINEAR.
What parts can replace 23557 ITEM 2?
There are 16 known substitutes for 23557 ITEM 2: H5582, 48-15021, EW7197 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23557 ITEM 2?
23557 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-497-5791. 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