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103203-4 — ELBOW,SWIVEL FLANGE TO TUBE

✓ Government record, cited
3M · HOSE FITTING
PRODUCT OVERVIEW

103203-4: ELBOW,SWIVEL FLANGE TO TUBE.

The ELBOW,SWIVEL FLANGE TO TUBE is a 3M industrial component. Key specifications include end_item_identification: C-17A AIRCRAFT A, part_name_assigned_by_controlling_agency: SPRING,HELICAL,COMPRESSION. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-033-1548, 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
103203-4
NSN: 4730-01-033-1548
NIINs: 010331548, 015983203
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
end_item_identificationC-17A AIRCRAFT A
part_name_assigned_by_controlling_agencySPRING,HELICAL,COMPRESSION
NSN4730-01-033-1548
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 103203-4 · 3M ⚠ 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: 90.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE NUT
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
LEG LENGTH: 2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM SECOND END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE FLANGE
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE FLANGE
LEG LENGTH2.280 INCHES MINIMUM AND 2.320 INCHES MAXIMUM SECOND END IN
LEG LENGTH2.282 INCHES MINIMUM AND 2.360 INCHES MAXIMUM FIRST END IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 2
10-51058Reference document
Same NSN cross-reference
Reference document — Secondary reference
10-2484Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 103203-4?
103203-4 is a ELBOW,SWIVEL FLANGE TO TUBE manufactured by 3M.
What parts can replace 103203-4?
There are 2 known substitutes for 103203-4: 10-51058, 10-2484. Substitute compatibility should be verified for your specific system.
What is the NSN for 103203-4?
103203-4 is cataloged in the U.S. Government catalog under NSN 4730-01-033-1548. This indicates validated use in U.S. government and defense supply chains.
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