PartsTable
Technical Data Sheet
12TUS ✓ 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, overall_length: 0.412 INCHES NOMINAL IN, style_designator: FLARELESS, seat_angle_in_deg: 40.000, surface_treatment: PHOSPHATE MANGANESE, casehardening_indicator: CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-462-7781, 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
12TUS
NSN: 4730-00-462-7781
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialSTEEL
overall_length0.412 INCHES NOMINAL IN
style_designatorFLARELESS
seat_angle_in_deg40.000
surface_treatmentPHOSPHATE MANGANESE
casehardening_indicatorCASEHARDENED
flange_outside_diameter0.875 INCHES NOMINAL IN
sleeve_outside_diameter0.840 INCHES NOMINAL IN
metallic_hardness_rating99.5 NOMINAL ROCKWELL B
nondefinitive_spec/std_data28 FIGURE
specification/standard_data96906-MS51825 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
hose/tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
NSN4730-00-462-7781
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12TUS · 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
STYLE DESIGNATOR: FLARELESS
METALLIC HARDNESS RATING: 99.5 NOMINAL ROCKWELL B
SEAT ANGLE IN DEG: 40.0
MATERIAL: STEEL
SURFACE TREATMENT: CADMIUM
SPECIFICATION/STANDARD DATA: 96906-MS51825 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA: 28 FIGURE
SLEEVE OUTSIDE DIAMETER: 0.836 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLARELESS
METALLIC HARDNESS RATING99.5 NOMINAL ROCKWELL B
SEAT ANGLE IN DEG40.0
MATERIALSTEEL
SURFACE TREATMENTCADMIUM
SPECIFICATION/STANDARD DATA96906-MS51825 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA28 FIGURE
SLEEVE OUTSIDE DIAMETER0.836 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER0.925 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS51825-8PAInterchangeable
interchangeable cross-reference
interchangeable
J514Interchangeable
interchangeable cross-reference
interchangeable
12TUSInterchangeable
interchangeable cross-reference
interchangeable
435578Interchangeable
interchangeable cross-reference
interchangeable
272987Interchangeable
Same NIIN cross-reference
interchangeable
960F3-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12TUS?
12TUS is a SLEEVE,CLINCH,TUBE FITTING.
What parts can replace 12TUS?
There are 10 known substitutes for 12TUS: MS51825-8PA, J514, 12TUS and 7 more. Substitute compatibility should be verified for your specific system.
Is 12TUS still available?
12TUS is currently cancelled.
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