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A51L21103 — TUBE AND FITTINGS,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

A51L21103: TUBE AND FITTINGS,METALLIC.

The TUBE AND FITTINGS,METALLIC is a the manufacturer industrial component. Key specifications include material: TITANIUM TUBING, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.036 INCHES NOMINAL IN, special_features: REDUCER FITTING, thread_direction: RIGHT-HAND SINGLE END. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-238-4289, 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
A51L21103
NSN: 4710-01-238-4289
NIINs: 012384289, 012384290, 012384291, 012591660, 012592408
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM TUBING
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.036 INCHES NOMINAL IN
special_featuresREDUCER FITTING
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg8.5 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size1.578 INCHES SINGLE END IN
end_connection_styleFLARE SINGLE END
tube_outside_diameter0.500 INCHES NOMINAL IN
thread_series_designatorUNJS SINGLE END
NSN4710-01-238-4289
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A51L21103 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAT ANGLE IN DEG: 8.5 SINGLE END
•
DESIGN FORM: PREBENT
•
MATING END QUANTITY: 2 SINGLE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: TI3AL-2.5V, GRUMMAN AEROSPACE CORP MFR REF SINGLE MATERIAL RESPONSE ALL ENDS V
•
WALL THICKNESS: 0.073 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND SINGLE END
•
NOMINAL THREAD SIZE: 1.250 INCHES SINGLE END IN
TECHNICAL CHARACTERISTICS
SEAT ANGLE IN DEG8.5 SINGLE END
DESIGN FORMPREBENT
MATING END QUANTITY2 SINGLE END
MATERIAL DOCUMENT AND CLASSIFICATIONTI3AL-2.5V, GRUMMAN AEROSPACE CORP MFR REF SINGLE MATERIAL RESPONSE ALL ENDS V
MATERIAL DOCUMENT AND CLASSIFICATIONTI3AL-2.5V, GRUMMAN AEROSPACE CORP MFR REF SINGLE MATERIAL RESPONSE TUBING V
WALL THICKNESS0.073 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SINGLE END
NOMINAL THREAD SIZE1.250 INCHES SINGLE END IN
END CONNECTION STYLESWIVEL NUT, INVERTED FLARE SINGLE END
TUBE OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
A51L21103-85Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is A51L21103?
A51L21103 is a TUBE AND FITTINGS,METALLIC.
What parts can replace A51L21103?
There is 1 known substitute for A51L21103: A51L21103-85. Substitute compatibility should be verified for your specific system.
What is the NSN for A51L21103?
A51L21103 is cataloged in the U.S. Government catalog under NSN 4710-01-238-4289. This indicates validated use in U.S. government and defense supply chains.
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