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1728-F — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1728-F: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, outside_diameter: 8.000 INCHES NOMINAL IN, special_features: FOR VALVE VENT,FINISHED,SUPPORT FOR FLOAT, attachment_method: THREADED, end_item_identification: ROBERT H. WAGER COMPANY INC,MODEL 1728-F, valve_model_number_for_which_designed: 1728-F.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-415-3174, 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
1728-F
NSN: 4820-01-415-3174
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
outside_diameter8.000 INCHES NOMINAL IN
special_featuresFOR VALVE VENT,FINISHED,SUPPORT FOR FLOAT
attachment_methodTHREADED
end_item_identificationROBERT H. WAGER COMPANY INC,MODEL 1728-F
valve_model_number_for_which_designed1728-F
NSN4820-01-415-3174
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1728-F · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 1728-F
•
OUTSIDE DIAMETER: 8.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNED1728-F
OUTSIDE DIAMETER8.000 INCHES NOMINAL IN
SPECIAL FEATURESFOR VALVE VENT,FINISHED,SUPPORT FOR FLOAT
END ITEM IDENTIFICATIONROBERT H. WAGER COMPANY INC,MODEL 1728-F
MATERIALCOPPER ALLOY
ATTACHMENT METHODTHREADED
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1728-F?
1728-F is a CAP,VALVE.
What is the NSN for 1728-F?
1728-F is cataloged in the U.S. Government catalog under NSN 4820-01-415-3174. 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.