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535-6S27-1.5 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

535-6S27-1.5: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL H-53. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-229-8621, 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
535-6S27-1.5
NSN: 4820-00-229-8621
NIINs: 002298621, 012168022
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL H-53
NSN4820-00-229-8621
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 535-6S27-1.5 · 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
•
FLOW CONTROL DEVICE: POPPET
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES SECOND END IN
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CONNECTION STYLE: PLAIN (PIPE) SECOND END
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MOUNTING POSITION: HORIZONTAL OR VERTICAL
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CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
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STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
OPERATING PRESSURE7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
APERTURE DIAMETER0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
535-6S3-1-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
67A247D103Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 535-6S27-1.5?
535-6S27-1.5 is a VALVE,RESTRICTOR CHECK.
What parts can replace 535-6S27-1.5?
There are 2 known substitutes for 535-6S27-1.5: 535-6S3-1-5, 67A247D103. Substitute compatibility should be verified for your specific system.
What is the NSN for 535-6S27-1.5?
535-6S27-1.5 is cataloged in the U.S. Government catalog under NSN 4820-00-229-8621. 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.