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12337003 — SLEEVE,COMPRESSION,TUBE-HOSE FIT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12337003: SLEEVE,COMPRESSION,TUBE-HOSE FIT.

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include overall_length: 2.104 INCHES NOMINAL IN, style_designator: ROUNDED FLARELESS, casehardening_indicator: NOT CASEHARDENED, hose/tube_outside_diameter_for_which_designed: 2.104 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-188-7545, 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
12337003
NSN: 4730-01-188-7545
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
overall_length2.104 INCHES NOMINAL IN
style_designatorROUNDED FLARELESS
casehardening_indicatorNOT CASEHARDENED
hose/tube_outside_diameter_for_which_designed2.104 INCHES NOMINAL IN
NSN4730-01-188-7545
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12337003 · 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
•
STYLE DESIGNATOR: ROUNDED FLARELESS
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: COPPER ALLOY 110 OR COPPER ALLOY 122 OR COPPER ALLOY 125 OR COPPER ALLOY 142 OR COPPER ALLOY 102 OR COPPER ALLOY 104 OR COPPER ALLOY 105 OR COPPER ALLOY 107 OR COPPER ALLOY 114 OR COPPER ALLOY 116 OR COPPER ALLOY 120 OR COPPER ALLOY 121 OR COPPER ALLOY 123 OR COPPER ALLOY 130 OR COPPER ALLOY 128 OR COPPER ALLOY 127
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.104 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUNDED FLARELESS
OVERALL LENGTH2.104 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALCOPPER ALLOY 110 OR COPPER ALLOY 122 OR COPPER ALLOY 125 OR COPPER ALLOY 142 OR COPPER ALLOY 102 OR COPPER ALLOY 104 OR COPPER ALLOY 105 OR COPPER ALLOY 107 OR COPPER ALLOY 114 OR COPPER ALLOY 116 OR COPPER ALLOY 120 OR COPPER ALLOY 121 OR COPPER ALLOY 123 OR COPPER ALLOY 130 OR COPPER ALLOY 128 OR COPPER ALLOY 127
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.104 INCHES NOMINAL 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 2
4730011887545Reference document
Same NSN cross-reference
Reference document — Informative reference only
4730PL2159020Reference 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 12337003?
12337003 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace 12337003?
There are 2 known substitutes for 12337003: 4730011887545, 4730PL2159020. Substitute compatibility should be verified for your specific system.
What is the NSN for 12337003?
12337003 is cataloged in the U.S. Government catalog under NSN 4730-01-188-7545. 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.