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Technical Data Sheet
PartsTable / COMPONENT / MS21918-16
MS21918-16 ✓ 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,CLINCH,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213, flange_width: 0.120 INCHES NOMINAL IN, overall_length: 0.800 INCHES NOMINAL IN, style_designator: FLARELESS, seat_angle_in_deg: 35.0, surface_treatment: CADMIUM AND CHROMATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-8623, 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
MS21918-16
NSN: 4730-00-289-8623
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1213
flange_width0.120 INCHES NOMINAL IN
overall_length0.800 INCHES NOMINAL IN
style_designatorFLARELESS
seat_angle_in_deg35.0
surface_treatmentCADMIUM AND CHROMATE
casehardening_indicatorCASEHARDENED
flange_outside_diameter1.156 INCHES NOMINAL IN
sleeve_outside_diameter1.086 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed1.000 INCHES NOMINAL IN
NSN4730-00-289-8623
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS21918-16 · 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
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.000 INCHES NOMINAL IN
•
SLEEVE OUTSIDE DIAMETER: 1.086 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.120 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 35.0
•
FLANGE OUTSIDE DIAMETER: 1.156 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1213
•
STYLE DESIGNATOR: FLARELESS
•
SURFACE TREATMENT: CADMIUM AND CHROMATE
TECHNICAL CHARACTERISTICS (FLIS)
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.000 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER1.086 INCHES NOMINAL IN
FLANGE WIDTH0.120 INCHES NOMINAL IN
SEAT ANGLE IN DEG35.0
FLANGE OUTSIDE DIAMETER1.156 INCHES NOMINAL IN
MATERIALSTEEL COMP 1213
STYLE DESIGNATORFLARELESS
SURFACE TREATMENTCADMIUM AND CHROMATE
OVERALL LENGTH0.800 INCHES NOMINAL IN
CASEHARDENING INDICATORCASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AS18280Interchangeable
interchangeable cross-reference
interchangeable
MS21922-BInterchangeable
interchangeable cross-reference
interchangeable
MS21922-3Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS18280Interchangeable
interchangeable cross-reference
interchangeable
44005BInterchangeable
interchangeable cross-reference
interchangeable
MS21922-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21918-16?
MS21918-16 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace MS21918-16?
There are 24 known substitutes for MS21918-16: AS18280, MS21922-B, MS21922-3 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS21918-16 still available?
MS21918-16 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