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Technical Data Sheet
PartsTable / COMPONENT / MS21922-4
MS21922-4 ✓ 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 color: BLACK OVERALL, width: 0.376 INCHES NOMINAL IN, height: 0.875 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thickness: 0.059 INCHES NOMINAL IN, body_style: STRAIGHT SHAPE, INTERNAL COUPLING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-8619, 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
MS21922-4
NSN: 4730-00-289-8619
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
colorBLACK OVERALL
width0.376 INCHES NOMINAL IN
height0.875 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thickness0.059 INCHES NOMINAL IN
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
shell_typeSOLID
body_length0.875 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B
hole_diameter0.219 INCHES NOMINAL IN
overall_width8.0 MILLIMETERS NOMINAL MM
NSN4730-00-289-8619
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS21922-4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
15616Interchangeable
interchangeable cross-reference
interchangeable
AS18280Interchangeable
interchangeable cross-reference
interchangeable
MS21922-BInterchangeable
interchangeable cross-reference
interchangeable
MS21922-3Interchangeable
interchangeable cross-reference
interchangeable
AS21922-5Interchangeable
interchangeable cross-reference
interchangeable
4730PL1463923Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21922-4?
MS21922-4 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace MS21922-4?
There are 24 known substitutes for MS21922-4: 15616, AS18280, MS21922-B and 21 more. Substitute compatibility should be verified for your specific system.
Is MS21922-4 still available?
MS21922-4 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