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PartsTable / COMPONENT / 9550-119
9550-119 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

PARTS KIT,AIR START COUPLING ASS. Key specifications include color: BROWN, phase: SINGLE INPUT, radius: 5.250 INCHES NOMINAL IN, material: STEEL COMP 1020, duty_cycle: CONTINUOUS, temp_rating: 40.0 AMBIENT CELSIUS AND 55.0 OPERATING CELSIUS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-909-9837, 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
9550-119
NSN: 4730-00-909-9837
FSC: 4730
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
colorBROWN
phaseSINGLE INPUT
radius5.250 INCHES NOMINAL IN
materialSTEEL COMP 1020
duty_cycleCONTINUOUS
temp_rating40.0 AMBIENT CELSIUS AND 55.0 OPERATING CELSIUS
power_rating16.0 WATTS OUTPUT
winding_typeINDUCTION-SHADED POLE
overall_width3.500 INCHES IN
thread_length0.410 INCHES MINIMUM AND 0.510 INCHES MAXIMUM SINGLE END IN
cooling_methodNONVENTILATED
overall_height3.738 INCHES IN
NSN4730-00-909-9837
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9550-119 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5KSP51GL582Interchangeable
interchangeable cross-reference
interchangeable
5821Interchangeable
interchangeable cross-reference
interchangeable
3M474Interchangeable
interchangeable cross-reference
interchangeable
52-33-1Interchangeable
interchangeable cross-reference
interchangeable
73813Interchangeable
interchangeable cross-reference
interchangeable
7340158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9550-119?
9550-119 is a PARTS KIT,AIR START COUPLING ASS.
What parts can replace 9550-119?
There are 8 known substitutes for 9550-119: 5KSP51GL582, 5821, 3M474 and 5 more. Substitute compatibility should be verified for your specific system.
Is 9550-119 still available?
9550-119 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