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Technical Data Sheet
PartsTable / COMPONENT / MS20819-28J
MS20819-28J ✓ 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

The SLEEVE,FLARED,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, flange_width: 0.375 INCHES NOMINAL IN, overall_length: 1.125 INCHES NOMINAL IN, style_designator: SLEEVE, seat_angle_in_deg: 33.0, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-079-9735, 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
MS20819-28J
NSN: 4730-00-079-9735
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 304
flange_width0.375 INCHES NOMINAL IN
overall_length1.125 INCHES NOMINAL IN
style_designatorSLEEVE
seat_angle_in_deg33.0
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
flange_outside_diameter2.159 INCHES NOMINAL IN
sleeve_outside_diameter1.882 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed1.750 INCHES NOMINAL IN
NSN4730-00-079-9735
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS20819-28J · 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
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
STYLE DESIGNATOR: SLEEVE
•
MATERIAL: STEEL COMP 304
•
FLANGE OUTSIDE DIAMETER: 2.159 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 33.0
•
SURFACE TREATMENT: PASSIVATE
•
SLEEVE OUTSIDE DIAMETER: 1.882 INCHES NOMINAL IN
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATORNOT CASEHARDENED
STYLE DESIGNATORSLEEVE
MATERIALSTEEL COMP 304
FLANGE OUTSIDE DIAMETER2.159 INCHES NOMINAL IN
SEAT ANGLE IN DEG33.0
SURFACE TREATMENTPASSIVATE
SLEEVE OUTSIDE DIAMETER1.882 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.750 INCHES NOMINAL IN
FLANGE WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AS5176J28Interchangeable
Same NIIN cross-reference
interchangeable
MS20819-28DInterchangeable
Same NIIN cross-reference
interchangeable
SAE-AS4841Interchangeable
Same NIIN cross-reference
interchangeable
AS5176Interchangeable
Same NIIN cross-reference
interchangeable
AS4841Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS20819-28J?
MS20819-28J is a SLEEVE,FLARED,TUBE FITTING.
What parts can replace MS20819-28J?
There are 5 known substitutes for MS20819-28J: AS5176J28, MS20819-28D, SAE-AS4841 and 2 more. Substitute compatibility should be verified for your specific system.
Is MS20819-28J still available?
MS20819-28J is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026