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2515-4A — HOUSING,ROCKER ARM ENGINE POPPET

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2515-4A: HOUSING,ROCKER ARM ENGINE POPPET.

HOUSING,ROCKER ARM ENGINE POPPET. Key specifications include seat_angle: 37.0 DEGREES SECOND END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, special_features: 0.250 IN. TUBE SIZE; CENTRALLY LOCATED HEX FEATURE, 0.688 IN.

WIDTH ACROSS FLATS, 0.220 IN. THICK IN, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-930-5273, 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
2515-4A
NSN: 4820-00-930-5273
FSC: 4820 — Valves, Nonpowered
CAGE: 99473 — HAWKER PACIFIC AEROSPACE LANDING GEAR AND COMPONENTS MFG AND REPAIR (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES SECOND END
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
special_features0.250 IN. TUBE SIZE; CENTRALLY LOCATED HEX FEATURE, 0.688 IN. WIDTH ACROSS FLATS, 0.220 IN. THICK IN
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.438 INCHES ALL ENDS IN
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-930-5273
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2515-4A · 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
•
CONNECTION STYLE: FLARED (TUBE) SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES SECOND END
SUBSTITUTES & CROSS-REFERENCES 4
10-2584-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
3318-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
204-076-437Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
204-076-437-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2515-4A?
2515-4A is a HOUSING,ROCKER ARM ENGINE POPPET.
What parts can replace 2515-4A?
There are 4 known substitutes for 2515-4A: 10-2584-2, 3318-4, 204-076-437 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2515-4A?
2515-4A is cataloged in the U.S. Government catalog under NSN 4820-00-930-5273. This indicates validated use in U.S. government and defense supply chains.
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