PartsTable
Technical Data Sheet

1660W2-1/2 INCS — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1660W2-1/2 INCS: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS, special_features: WITH PROTECTIVE SCREEN, style_designator: STRAIGHT THRU, end_item_identification: ROBERT H. WAGER CO., INC MODEL 1660-W.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-178-4872, 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
1660W2-1/2 INCS
NSN: 4820-01-178-4872
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
special_featuresWITH 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_pipe_size_accommodated2.500 INCHES ALL ENDS IN
NSN4820-01-178-4872
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1660W2-1/2 INCS · 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 CAP
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 CAP
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS IN
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESWITH PROTECTIVE SCREEN
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
END ITEM IDENTIFICATIONROBERT H. WAGER CO., INC MODEL 1660-W
MATERIALSTEEL BODY
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
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FREQUENTLY ASKED QUESTIONS
What is 1660W2-1/2 INCS?
1660W2-1/2 INCS is a VALVE,VENT.
What is the NSN for 1660W2-1/2 INCS?
1660W2-1/2 INCS is cataloged in the U.S. Government catalog under NSN 4820-01-178-4872. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.