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A51L21507 — TUBE AND FITTINGS,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

A51L21507: TUBE AND FITTINGS,METALLIC.

The TUBE AND FITTINGS,METALLIC is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY TUBING, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.073 INCHES NOMINAL IN, special_features: WELDED FITTINGS;USED ON F14A, thread_direction: RIGHT-HAND SINGLE END. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-227-1262, 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
A51L21507
NSN: 4710-01-227-1262
NIINs: 012271262, 012595928, 012602159, 012836084
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM ALLOY TUBING
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.073 INCHES NOMINAL IN
special_featuresWELDED FITTINGS;USED ON F14A
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg8.5 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size1.000 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT, INVERTED FLARE SINGLE END
tube_outside_diameter1.000 INCHES NOMINAL IN
end_item_identificationF-14 AIRCRAFT
NSN4710-01-227-1262
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A51L21507 · 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
•
DESIGN FORM: PREBENT
•
MATING END QUANTITY: 2 SINGLE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: TI-3AL-2.5V ASSN STD SINGLE MATERIAL RESPONSE TUBING V
•
WALL THICKNESS: 0.036 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: TITANIUM ALLOY TUBING
TECHNICAL CHARACTERISTICS
DESIGN FORMPREBENT
MATING END QUANTITY2 SINGLE END
MATERIAL DOCUMENT AND CLASSIFICATIONTI-3AL-2.5V ASSN STD SINGLE MATERIAL RESPONSE TUBING V
WALL THICKNESS0.036 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALTITANIUM ALLOY TUBING
SUBSTITUTES & CROSS-REFERENCES 1
A51L21507-185Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51L21507?
A51L21507 is a TUBE AND FITTINGS,METALLIC.
What parts can replace A51L21507?
There is 1 known substitute for A51L21507: A51L21507-185. Substitute compatibility should be verified for your specific system.
What is the NSN for A51L21507?
A51L21507 is cataloged in the U.S. Government catalog under NSN 4710-01-227-1262. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.