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77573 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
ZURU · GATE VALVE
PRODUCT OVERVIEW

77573: CYLINDER ASSEMBLY,ACTUATING,LINE.

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This part is cataloged in the U.S. Government catalog under NSN 4820-01-067-7640, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
77573
NSN: 4820-01-067-7640
NIINs: 010677640, 012135710
FSC: 4820 — Valves, Nonpowered
CAGE: 08302 — PACCAR WINCH INC DBA PACCAR WINCH DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating247.000 POUNDS NOMINAL LBS
coil_quantity11
inside_diameter2.380 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length10.300 INCHES NOMINAL IN
spring_solid_length2.750 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_deflection_rate32.800 POUNDS PER INCH NOMINAL LBS
spring_length_under_load2.940 INCHES NOMINAL IN
NSN4820-01-067-7640
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 77573 · ZURU ⚠ 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
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LARGEST OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
OVERALL LENGTH2.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
A22785Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77573?
77573 is a CYLINDER ASSEMBLY,ACTUATING,LINE manufactured by ZURU.
What parts can replace 77573?
There is 1 known substitute for 77573: A22785. Substitute compatibility should be verified for your specific system.
What is the NSN for 77573?
77573 is cataloged in the U.S. Government catalog under NSN 4820-01-067-7640. This indicates validated use in U.S. government and defense supply chains.
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