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814985-1 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

814985-1: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 1.593 INCHES NOMINAL IN, inside_diameter: 1.312 INCHES NOMINAL IN, outside_diameter: 1.690 INCHES NOMINAL IN, special_features: USED WITH (73030) P/N 814201, end_item_identification: F-18 E/F. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-469-6632, 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
814985-1
NSN: 4810-01-469-6632
FSC: 4810 — Valves, Powered
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL
overall_length1.593 INCHES NOMINAL IN
inside_diameter1.312 INCHES NOMINAL IN
outside_diameter1.690 INCHES NOMINAL IN
special_featuresUSED WITH (73030) P/N 814201
end_item_identificationF-18 E/F
valve_design_control_activity73030
NSN4810-01-469-6632
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 814985-1 · 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
•
OUTSIDE DIAMETER: 1.690 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 73030
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.690 INCHES NOMINAL IN
OVERALL LENGTH1.593 INCHES NOMINAL IN
INSIDE DIAMETER1.312 INCHES NOMINAL IN
SPECIAL FEATURESUSED WITH (73030) P/N 814201
VALVE DESIGN CONTROL ACTIVITY73030
END ITEM IDENTIFICATIONF-18 E/F
MATERIALSTEEL
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
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 demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 814985-1?
814985-1 is a PISTON,VALVE.
What is the NSN for 814985-1?
814985-1 is cataloged in the U.S. Government catalog under NSN 4810-01-469-6632. 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.