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AS4411R020204 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS4411R020204: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES ALL ENDS, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, nominal_thread_size: 0.3125 INCHES SECOND END IN, end_item_identification: F-35 AIRCRAFT, thread_quantity_per_inch: 20 THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-651-7973, 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
AS4411R020204
NSN: 4730-01-651-7973
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES ALL ENDS
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
nominal_thread_size0.3125 INCHES SECOND END IN
end_item_identificationF-35 AIRCRAFT
thread_quantity_per_inch20 THIRD END
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
part_name_assigned_by_controlling_agencyFITTING ASSY, TEE, REDUCER AND NONREDUCER
nominal_outside_diameter_tube_accommodated0.2500 INCHES THIRD END IN
NSN4730-01-651-7973
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS4411R020204 · 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
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.1250 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.3125 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.1250 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.1250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.2500 INCHES THIRD END IN
NOMINAL THREAD SIZE0.3125 INCHES SECOND END IN
NOMINAL THREAD SIZE0.3125 INCHES FIRST END IN
NOMINAL THREAD SIZE0.4375 INCHES THIRD END IN
SEAT ANGLE37.0 DEGREES ALL ENDS
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING ASSY, TEE, REDUCER AND NONREDUCER
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 1
SAE-AS4841Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 AS4411R020204?
AS4411R020204 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AS4411R020204?
There is 1 known substitute for AS4411R020204: SAE-AS4841. Substitute compatibility should be verified for your specific system.
What is the NSN for AS4411R020204?
AS4411R020204 is cataloged in the U.S. Government catalog under NSN 4730-01-651-7973. This indicates validated use in U.S. government and defense supply chains.
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