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200457 — INSULATION,THERMAL,AIRCRAFT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

200457: INSULATION,THERMAL,AIRCRAFT.

The INSULATION,THERMAL,AIRCRAFT is a the manufacturer industrial component. 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 part is cataloged in the U.S.

Government catalog 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
200457
NSN: 4730-00-122-0477
NIINs: 001220477, 001690989
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
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: 200457 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: ROUNDED FLARELESS
•
SPECIFICATION/STANDARD DATA: 81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 4 FIGURE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORROUNDED FLARELESS
OVERALL LENGTH0.250 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA4 FIGURE
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT
MATERIALCOPPER ALLOY 360
METALLIC HARDNESS RATING70.0 NOMINAL ROCKWELL F
SUBSTITUTES & CROSS-REFERENCES 8
5213Reference document
Same NSN cross-reference
Reference document — Secondary reference
J246Reference document
Same NSN cross-reference
Reference document — Secondary reference
AC294Reference document
Same NSN cross-reference
Reference document — Secondary reference
60AB-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS39197-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
4730001220477Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 200457?
200457 is a INSULATION,THERMAL,AIRCRAFT.
What parts can replace 200457?
There are 8 known substitutes for 200457: 5213, J246, AC294 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 200457?
200457 is cataloged in the U.S. Government catalog under NSN 4730-00-122-0477. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.