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Technical Data Sheet
PartsTable / COMPONENT / MS21922-8
MS21922-8 ✓ 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 OR STEEL COMP 630, flange_width: 0.060 INCHES NOMINAL IN, overall_length: 0.750 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: FLARELESS, seat_angle_in_deg: 35.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-8618, 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
MS21922-8
NSN: 4730-00-289-8618
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 1213 OR STEEL COMP 630
flange_width0.060 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorFLARELESS
seat_angle_in_deg35.0
surface_treatmentCADMIUM AND CHROMATE OR PASSIVATE
casehardening_indicatorCASEHARDENED
end_item_identificationC-141 AIRCRAFT AND CH-47 HELICOPTER
flange_outside_diameter0.625 INCHES NOMINAL IN
sleeve_outside_diameter0.585 INCHES NOMINAL IN
criticality_code_justificationFEAT
NSN4730-00-289-8618
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS21922-8 · 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: 0.188 INCHES NOMINAL IN
•
SLEEVE OUTSIDE DIAMETER: 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 37.0
•
MATERIAL: STEEL COMP 12L14
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-13433, TYPE 1-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: FLARELESS
TECHNICAL CHARACTERISTICS (FLIS)
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
FLANGE WIDTH0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
SEAT ANGLE IN DEG37.0
MATERIALSTEEL COMP 12L14
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13433, TYPE 1-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORFLARELESS
SURFACE TREATMENTCADMIUM
OVERALL LENGTH0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
SAE-AS18280Interchangeable
interchangeable cross-reference
interchangeable
44005BInterchangeable
interchangeable cross-reference
interchangeable
MS21922-4Interchangeable
interchangeable cross-reference
interchangeable
AS21922-5Interchangeable
interchangeable cross-reference
interchangeable
AS18280Interchangeable
interchangeable cross-reference
interchangeable
4730PL1463923Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21922-8?
MS21922-8 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace MS21922-8?
There are 24 known substitutes for MS21922-8: SAE-AS18280, 44005B, MS21922-4 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS21922-8 still available?
MS21922-8 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