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Technical Data Sheet
PartsTable / COMPONENT / 6-1660WSG
6-1660WSG ✓ 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 VALVE,VENT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: BUTT WELD TUBE ALL ENDS, connection_style: BEVELED (TUBE) ALL ENDS, special_features: WITH S/S PROTECTIVE SCREEN, style_designator: STRAIGHT THRU, end_item_identification: ROBERT H. WAGER CO., INC.

MODEL 1660-W. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-439-5423, 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
6-1660WSG
NSN: 4820-01-439-5423
FSC: 4820
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeBUTT WELD TUBE ALL ENDS
connection_styleBEVELED (TUBE) ALL ENDS
special_featuresWITH S/S PROTECTIVE SCREEN
style_designatorSTRAIGHT THRU
end_item_identificationROBERT H. WAGER CO., INC. MODEL 1660-W
media_for_which_designedAIR SINGLE RESPONSE
furnished_items_and_quantity1 CAP
nominal_outside_diameter_tube_accommodated6.000 INCHES ALL ENDS IN
NSN4820-01-439-5423
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6-1660WSG · 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
•
CONNECTION STYLE: BEVELED (TUBE) ALL ENDS
•
CONNECTION TYPE: BUTT WELD TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL BODY
•
FURNISHED ITEMS AND QUANTITY: 1 CAP
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 6.000 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEBEVELED (TUBE) ALL ENDS
CONNECTION TYPEBUTT WELD TUBE ALL ENDS
SPECIAL FEATURESWITH S/S PROTECTIVE SCREEN
STYLE DESIGNATORSTRAIGHT THRU
MATERIALSTEEL BODY
FURNISHED ITEMS AND QUANTITY1 CAP
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED6.000 INCHES ALL ENDS IN
END ITEM IDENTIFICATIONROBERT H. WAGER CO., INC. MODEL 1660-W
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SCR-485Interchangeable
interchangeable cross-reference
interchangeable
H-247Interchangeable
interchangeable cross-reference
interchangeable
V8048-5/8Interchangeable
interchangeable cross-reference
interchangeable
MS29521-16Interchangeable
interchangeable cross-reference
interchangeable
1111-518111Interchangeable
interchangeable cross-reference
interchangeable
6-1600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-1660WSG?
6-1660WSG is a VALVE,VENT.
What parts can replace 6-1660WSG?
There are 13 known substitutes for 6-1660WSG: SCR-485, H-247, V8048-5/8 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-1660WSG?
6-1660WSG is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-439-5423. 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