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PartsTable / COMPONENT / 278597
278597 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,DOUBLE CHECK AIR BRAKE is a the manufacturer industrial component. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE). LAUNDRY EQUIPMENT.

WHEELED TRACTOR SCRAPER. 621B SCRAPER., criticality_code_justification: FEAT, general_characteristics_item_description: ALUMINUM,0.250 IN. FEMALE NPT DELIVERY PORT,0.500 @IN.

MALE NPT EXHAUST PORT,0.250 IN. FEMALE SUPPLY PORT IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-927-9364, 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
278597
NSN: 4820-00-927-9364
FSC: 4820
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationSHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE). LAUNDRY EQUIPMENT. WHEELED TRACTOR SCRAPER. 621B SCRAPER.
criticality_code_justificationFEAT
general_characteristics_item_descriptionALUMINUM,0.250 IN. FEMALE NPT DELIVERY PORT,0.500 @IN. MALE NPT EXHAUST PORT,0.250 IN. FEMALE SUPPLY PORT IN
NSN4820-00-927-9364
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 278597 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM,0.250 IN. FEMALE NPT DELIVERY PORT,0.500 @IN. MALE NPT EXHAUST PORT,0.250 IN. FEMALE SUPPLY PORT IN
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONFEAT
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM,0.250 IN. FEMALE NPT DELIVERY PORT,0.500 @IN. MALE NPT EXHAUST PORT,0.250 IN. FEMALE SUPPLY PORT IN
END ITEM IDENTIFICATIONSHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE). LAUNDRY EQUIPMENT. WHEELED TRACTOR SCRAPER. 621B SCRAPER.
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SAE-AMS-QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
61227Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
34783Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 278597?
278597 is a VALVE,DOUBLE CHECK AIR BRAKE.
What parts can replace 278597?
There are 17 known substitutes for 278597: SAE-AMS-QQ-A-200/8, 61227, AMS-QQ-A-200/8 and 14 more. Substitute compatibility should be verified for your specific system.
Is 278597 still available?
278597 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026