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Technical Data Sheet
PartsTable / COMPONENT / CS179-B
CS179-B ✓ 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 material: STEEL FLOW CONTROL DEVICE, seat_angle: 45.0 DEGREES FIRST END, thread_class: 3B FIRST END, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 15.422 INCHES NOMINAL IN, overall_length: 16.281 INCHES NOMINAL 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 4820-01-157-6330, 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
CS179-B
NSN: 4820-01-157-6330
FSC: 4820
CAGE: 02249 — PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
seat_angle45.0 DEGREES FIRST END
thread_class3B FIRST END
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width15.422 INCHES NOMINAL IN
overall_length16.281 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGASKET SEAL (BOSS) FIRST END
special_features60 DEG PORM 10 DEG LH OR RH FOR OPEN POSITION
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_facilityTHREADED FASTENER
NSN4820-01-157-6330
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CS179-B · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
27890Interchangeable
interchangeable cross-reference
interchangeable
2567Interchangeable
interchangeable cross-reference
interchangeable
A2567Interchangeable
interchangeable cross-reference
interchangeable
5910Interchangeable
interchangeable cross-reference
interchangeable
20-91013Interchangeable
interchangeable cross-reference
interchangeable
14-354-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS179-B?
CS179-B is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace CS179-B?
There are 8 known substitutes for CS179-B: 27890, 2567, A2567 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS179-B?
CS179-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-157-6330. 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