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JSFA2090704JS — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

JSFA2090704JS: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 45.0 DEGREES, leg_length: 0.688 INCHES NOMINAL SECOND END IN, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-939-8636, 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
JSFA2090704JS
NSN: 4730-00-939-8636
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 92555 — THE LEE CO DBA THE LEE CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle45.0 DEGREES
leg_length0.688 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
special_featuresCOLOR YELLOW; FILTERED RESTRICTOR 0.250 IN. DIA,0.550 IN. LG IN
nominal_thread_size0.437 INCHES FIRST END BULKHEAD IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
reduced_passage_nominal_inside_diameter0.024 INCHES FIRST END IN
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-00-939-8636
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: JSFA2090704JS · 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
KEY FEATURES
•
FLOW ANGLE: 45.0 DEGREES
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
LEG LENGTH: 0.688 INCHES NOMINAL SECOND END IN
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.024 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.437 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
LEG LENGTH0.688 INCHES NOMINAL SECOND END IN
LEG LENGTH1.453 INCHES NOMINAL FIRST END IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.024 INCHES FIRST END IN
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.437 INCHES FIRST END BULKHEAD IN
SEAT ANGLE12.0 DEGREES ALL ENDS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 3
SS49MC907C4-20SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS49MC907J4-20SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS49Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JSFA2090704JS?
JSFA2090704JS is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace JSFA2090704JS?
There are 3 known substitutes for JSFA2090704JS: SS49MC907C4-20S, SS49MC907J4-20S, SS49. Substitute compatibility should be verified for your specific system.
What is the NSN for JSFA2090704JS?
JSFA2090704JS is cataloged in the U.S. Government catalog under NSN 4730-00-939-8636. This indicates validated use in U.S. government and defense supply chains.
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