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8HB277 — SEAL,METALLIC,AIRCRAFT GAS TURBI

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8HB277: SEAL,METALLIC,AIRCRAFT GAS TURBI.

SEAL,METALLIC,AIRCRAFT GAS TURBI. Key specifications include material: ALUMINUM ALLOY AND STEEL BODY, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: SWIVEL NUT,FLARELESS(TUBE) ALL ENDS, special_features: USED ON MK25, MK28, MK30, MK36. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-485-3268, 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
8HB277
NSN: 4810-01-485-3268
FSC: 4810 — Valves, Powered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND STEEL BODY
seat_angle45.0 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
connection_styleSWIVEL NUT,FLARELESS(TUBE) ALL ENDS
special_featuresUSED ON MK25, MK28, MK30, MK36
thread_directionRIGHT-HAND ALL ENDS
mounting_positionVERTICAL
nominal_thread_size0.875 INCHES ALL ENDS IN
current_rating_in_amps0.750
valve_operation_methodSOLENOID
end_item_identification2320014652174
NSN4810-01-485-3268
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8HB277 · 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
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 24.0 DC
•
CONNECTION STYLE: SWIVEL NUT,FLARELESS(TUBE) ALL ENDS
•
MOUNTING POSITION: VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.875 INCHES ALL ENDS IN
•
SEAT ANGLE: 45.0 DEGREES ALL ENDS
TECHNICAL CHARACTERISTICS
VOLTAGE IN VOLTS AND CURRENT TYPE24.0 DC
CONNECTION STYLESWIVEL NUT,FLARELESS(TUBE) ALL ENDS
MOUNTING POSITIONVERTICAL
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
STYLE DESIGNATORSCREW-IN CARTRIDGE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.875 INCHES ALL ENDS IN
SEAT ANGLE45.0 DEGREES ALL ENDS
SPECIAL FEATURESUSED ON MK25, MK28, MK30, MK36
PART NAME ASSIGNED BY CONTROLLING AGENCYTHREE WAY SOLENOID VALVE TWO POSITION (SPOOL TYPE)
SUBSTITUTES & CROSS-REFERENCES 1
SV1-10-3-0-24DGReference document
Same NSN cross-reference
Reference document — Secondary reference
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 8HB277?
8HB277 is a SEAL,METALLIC,AIRCRAFT GAS TURBI.
What parts can replace 8HB277?
There is 1 known substitute for 8HB277: SV1-10-3-0-24DG. Substitute compatibility should be verified for your specific system.
What is the NSN for 8HB277?
8HB277 is cataloged in the U.S. Government catalog under NSN 4810-01-485-3268. This indicates validated use in U.S. government and defense supply chains.
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