PartsTable
Technical Data Sheet
Download PDF

2-1660FB — VALVE,VENT-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2-1660FB: VALVE,VENT-CHECK.

The VALVE,VENT-CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, special_features: 2.0 INCH VENT VALVE WITH FLAME AND PROTECTIVE SCREENS AND COVER. IN, bolt_hole_quantity: 4 FIRST END, valve_operation_method: AUTOMATIC.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-556-9533, 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
2-1660FB
NSN: 4820-01-556-9533
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
special_features2.0 INCH VENT VALVE WITH FLAME AND PROTECTIVE SCREENS AND COVER. IN
bolt_hole_quantity4 FIRST END
valve_operation_methodAUTOMATIC
NSN4820-01-556-9533
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2-1660FB · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
CONNECTION TYPE: FLANGE FIRST END
•
BOLT HOLE QUANTITY: 4 FIRST END
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
CONNECTION TYPEFLANGE FIRST END
BOLT HOLE QUANTITY4 FIRST END
SPECIAL FEATURES2.0 INCH VENT VALVE WITH FLAME AND PROTECTIVE SCREENS AND COVER. IN
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 2-1660FB?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2-1660FB?
2-1660FB is a VALVE,VENT-CHECK.
What is the NSN for 2-1660FB?
2-1660FB is cataloged in the U.S. Government catalog under NSN 4820-01-556-9533. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2-1660FB

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.