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AS1040J0303 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS1040J0303: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, flow_angle: 45.0 DEGREES, leg_length: 0.641 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 4A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE FIRST END BULKHEAD. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-308-4882, 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
AS1040J0303
NSN: 4730-01-308-4882
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
flow_angle45.0 DEGREES
leg_length0.641 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class4A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE FIRST END BULKHEAD
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES FIRST END BULKHEAD IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
specification/standard_data96906-MS24396 GOVERNMENT STANDARD
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-308-4882
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS1040J0303 · 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: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END BULKHEAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.188 INCHES FIRST END IN
•
LEG LENGTH: 1.375 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES SECOND END IN
LEG LENGTH1.375 INCHES NOMINAL FIRST END IN
LEG LENGTH0.641 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
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
AS4841Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS4841Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS24396J3Reference 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 AS1040J0303?
AS1040J0303 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AS1040J0303?
There are 3 known substitutes for AS1040J0303: AS4841, SAE-AS4841, MS24396J3. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1040J0303?
AS1040J0303 is cataloged in the U.S. Government catalog under NSN 4730-01-308-4882. This indicates validated use in U.S. government and defense supply chains.
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