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4730001220477 ✓ 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

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include material: COPPER ALLOY 360, overall_length: 0.250 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: ROUNDED FLARELESS, casehardening_indicator: NOT CASEHARDENED, end_item_identification: GRUMMAN A-10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-122-0477, 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
4730001220477
NSN: 4730-00-122-0477
FSC: 4730
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialCOPPER ALLOY 360
overall_length0.250 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorROUNDED FLARELESS
casehardening_indicatorNOT CASEHARDENED
end_item_identificationGRUMMAN A-10 AIRCRAFT
metallic_hardness_rating70.0 NOMINAL ROCKWELL F
nondefinitive_spec/std_data4 FIGURE
specification/standard_data81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
criticality_code_justificationFEAT
hose/tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
NSN4730-00-122-0477
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730001220477 · 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
•
SPECIFICATION/STANDARD DATA: 81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: COPPER ALLOY 360
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: ROUNDED FLARELESS
•
NONDEFINITIVE SPEC/STD DATA: 4 FIGURE
•
METALLIC HARDNESS RATING: 70.0 NOMINAL ROCKWELL F
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALCOPPER ALLOY 360
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORROUNDED FLARELESS
NONDEFINITIVE SPEC/STD DATA4 FIGURE
OVERALL LENGTH0.250 INCHES NOMINAL IN
METALLIC HARDNESS RATING70.0 NOMINAL ROCKWELL F
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CASEHARDENING INDICATORNOT CASEHARDENED
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
6754Interchangeable
interchangeable cross-reference
interchangeable
46394Interchangeable
interchangeable cross-reference
interchangeable
340815Interchangeable
interchangeable cross-reference
interchangeable
46-0006-004Interchangeable
interchangeable cross-reference
interchangeable
6063-001-634Interchangeable
interchangeable cross-reference
interchangeable
011-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730001220477?
4730001220477 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace 4730001220477?
There are 29 known substitutes for 4730001220477: 6754, 46394, 340815 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730001220477?
4730001220477 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-122-0477. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026