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84002057-052 — SLEEVE,COMPRESSION,TUBE-HOSE FIT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

84002057-052: SLEEVE,COMPRESSION,TUBE-HOSE FIT.

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include material: STEEL COMP 316, overall_length: 0.290 INCHES NOMINAL IN, special_features: TAPERED 8 DEG, style_designator: TAPERED, surface_treatment: PASSIVATE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-219-4550, 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
84002057-052
NSN: 4730-01-219-4550
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81873 — WOODWARD HRT INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316
overall_length0.290 INCHES NOMINAL IN
special_featuresTAPERED 8 DEG
style_designatorTAPERED
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
hose/tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
NSN4730-01-219-4550
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 84002057-052 · 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: TAPERED
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 316
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORTAPERED
OVERALL LENGTH0.290 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESTAPERED 8 DEG
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 316
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 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 1
SS-1213-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 84002057-052?
84002057-052 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace 84002057-052?
There is 1 known substitute for 84002057-052: SS-1213-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 84002057-052?
84002057-052 is cataloged in the U.S. Government catalog under NSN 4730-01-219-4550. 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.