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SK-1959-55 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SK-1959-55: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.750 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 7.125 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-072-8266, 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
SK-1959-55
NSN: 4820-01-072-8266
NIINs: 010728266, 011306664
FSC: 4820 — Valves, Nonpowered
CAGE: 95995 — WALWORTH CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.750 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size7.125 INCHES SINGLE THREADED PORTION IN
body_inside_diameter6.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch12 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-01-072-8266
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SK-1959-55 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
FLANGE FACE DESIGN: RAISED
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 850.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
OPERATING PRESSURE AND TYPE: 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
FLANGE FACE DESIGNRAISED
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED850.0 FAHRENHEIT WATER-OIL-GAS DEGF
OPERATING PRESSURE AND TYPE300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
CONNECTION TYPEFLANGE, ROUND W/HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-182 GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE DISK
SUBSTITUTES & CROSS-REFERENCES 7
5206F-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
SK-1959-55-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
3012-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
CS-302-U-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
1010-6INReference document
Same NSN cross-reference
Reference document — Secondary reference
3001-6INReference 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 SK-1959-55?
SK-1959-55 is a VALVE,GATE.
What parts can replace SK-1959-55?
There are 7 known substitutes for SK-1959-55: 5206F-6IN, SK-1959-55-6IN, 3012-6IN and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK-1959-55?
SK-1959-55 is cataloged in the U.S. Government catalog under NSN 4820-01-072-8266. This indicates validated use in U.S. government and defense supply chains.
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