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G623 — GREASE,LABORATORY APPARATUS STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

G623: GREASE,LABORATORY APPARATUS STOP.

GREASE,LABORATORY APPARATUS STOP. Key specifications include phase: SINGLE, material: COPPER ALLOY BODY, stem_type: RISING, valve_size: 2.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, connection_type: THREADED INTERNAL PIPE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-062-4078, 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
G623
NSN: 4820-00-062-4078
NIINs: 000624078, 005932418, 005987445, 015473076
FSC: 4820 — Valves, Nonpowered
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
phaseSINGLE
materialCOPPER ALLOY BODY
stem_typeRISING
valve_size2.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
connection_typeTHREADED INTERNAL PIPE ALL ENDS
flange_diameter6.000 INCHES IN
basic_ingredientSILICONE
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
aperture_diameter0.187 INCHES NOMINAL IN
NSN4820-00-062-4078
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: G623 · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
FLANGE FACE DESIGN: PLAIN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
FLANGE FACE DESIGNPLAIN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-584 ALLOY 875 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE2.000 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
625Reference document
Same NSN cross-reference
Reference document — Secondary reference
20F-21NReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G623?
G623 is a GREASE,LABORATORY APPARATUS STOP.
What parts can replace G623?
There are 2 known substitutes for G623: 625, 20F-21N. Substitute compatibility should be verified for your specific system.
What is the NSN for G623?
G623 is cataloged in the U.S. Government catalog under NSN 4820-00-062-4078. This indicates validated use in U.S. government and defense supply chains.
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