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Technical Data Sheet
PartsTable / COMPONENT / 1-U-1025-57
1-U-1025-57 ✓ 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

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: 5.30 IN.MAX LG,2.500 IN.NOM W IN, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 206-076-037-1,FSCM 97499.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-177-8459, 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
1-U-1025-57
NSN: 4810-00-177-8459
FSC: 4810
CAGE: 60029 — WOODWARD HRT, INC. DBA WOODWARD HRT INC (USA)
SPECIFICATIONS
special_features5.30 IN.MAX LG,2.500 IN.NOM W IN
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 206-076-037-1,FSCM 97499
NSN4810-00-177-8459
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1-U-1025-57 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES5.30 IN.MAX.LG,1.63 IN.MAX W IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
15431Interchangeable
interchangeable cross-reference
interchangeable
206-076-037-1Interchangeable
interchangeable cross-reference
interchangeable
1-U-1025-57Interchangeable
interchangeable cross-reference
interchangeable
42C42626Interchangeable
interchangeable cross-reference
interchangeable
500E20-18-495Interchangeable
interchangeable cross-reference
interchangeable
500E20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-U-1025-57?
1-U-1025-57 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 1-U-1025-57?
There are 18 known substitutes for 1-U-1025-57: 15431, 206-076-037-1, 1-U-1025-57 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-U-1025-57?
1-U-1025-57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-177-8459. 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