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Technical Data Sheet
PartsTable / COMPONENT / MS39212-4
MS39212-4 ✓ 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 material: STEEL COMP 1213 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137, flange_width: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN, overall_length: 0.333 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN, style_designator: FLARELESS, seat_angle_in_deg: 40.0, surface_treatment: CADMIUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9728, 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
MS39212-4
NSN: 4730-00-277-9728
FSC: 4730
CAGE: 13899 — HYDRO-FITTING MANUFACTURING CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137
flange_width0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
overall_length0.333 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN
style_designatorFLARELESS
seat_angle_in_deg40.0
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
end_item_identificationGRUMAN A-10 AIRCRAFT
flange_outside_diameter0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
sleeve_outside_diameter0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
specification/standard_data96906-MS39212-4 GOVERNMENT STANDARD
material_document_and_classificationFED STD 66, COMP 1118 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1137 FED STD 4TH MATERIAL RESPONSE
NSN4730-00-277-9728
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS39212-4 · 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
KEY FEATURES
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SLEEVE OUTSIDE DIAMETER: 0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 40.0
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.313 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.333 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
SLEEVE OUTSIDE DIAMETER0.396 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
SEAT ANGLE IN DEG40.0
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.313 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
FLANGE WIDTH0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONGRUMAN A-10 AIRCRAFT
MATERIALSTEEL COMP 1213 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137
SPECIFICATION/STANDARD DATA96906-MS39212-4 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS39212Interchangeable
interchangeable cross-reference
interchangeable
108-16510Interchangeable
interchangeable cross-reference
interchangeable
8165X10Interchangeable
interchangeable cross-reference
interchangeable
MIL189 912Interchangeable
interchangeable cross-reference
interchangeable
189 912Interchangeable
interchangeable cross-reference
interchangeable
2300094-291701.06.0Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS39212-4?
MS39212-4 is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace MS39212-4?
There are 7 known substitutes for MS39212-4: MS39212, 108-16510, 8165X10 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS39212-4?
MS39212-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9728. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026