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Technical Data Sheet
PartsTable / COMPONENT / 178581
178581 ✓ 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 BELTS,V,MATCHED SET is a the manufacturer industrial component. Key specifications include pointer_type: INDICATING ALL POINTERS, pointer_purpose: PRESSURE, supplementary_features: PRESENTATION TYPE: DIAL, end_item_identification: STEERING GEAR ASSY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-255-1037, 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
178581
NSN: 4820-00-255-1037
FSC: 4820
CAGE: 14487 — PROVISION, INC. DBA PROVISION INC (USA)
SPECIFICATIONS
pointer_typeINDICATING ALL POINTERS
pointer_purposePRESSURE
supplementary_featuresPRESENTATION TYPE: DIAL
end_item_identificationSTEERING GEAR ASSY
NSN4820-00-255-1037
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 178581 · 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
•
STYLE DESIGNATOR: ANGLE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORANGLE
VALVE OPERATION METHODMANUAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
70350Interchangeable
interchangeable cross-reference
interchangeable
22364-2Interchangeable
interchangeable cross-reference
interchangeable
17858-1Interchangeable
interchangeable cross-reference
interchangeable
20726J001 FIND NO 9Interchangeable
interchangeable cross-reference
interchangeable
20726J013 REV CInterchangeable
interchangeable cross-reference
interchangeable
XS01-2-55PSIInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178581?
178581 is a BELTS,V,MATCHED SET.
What parts can replace 178581?
There are 6 known substitutes for 178581: 70350, 22364-2, 17858-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 178581?
178581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-255-1037. 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