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H90040 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

H90040: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL SINGLE END, design_form: STRAIGHT, thread_class: 2A SINGLE END A, overall_length: 23.375 INCHES NOMINAL IN, wall_thickness: 0.028 INCHES NOMINAL IN, thread_direction: RIGHT-HAND SINGLE END. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-362-1857, 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
H90040
NSN: 4710-00-362-1857
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL SINGLE END
design_formSTRAIGHT
thread_class2A SINGLE END A
overall_length23.375 INCHES NOMINAL IN
wall_thickness0.028 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg37.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.375 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT, INVERTED FLARE SINGLE END
tube_outside_diameter0.250 INCHES NOMINAL IN
thread_series_designatorUNF SINGLE END
NSN4710-00-362-1857
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: H90040 · 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: 37.0 SINGLE END
•
DESIGN FORM: STRAIGHT
•
MATING END QUANTITY: 2 SINGLE END
•
WALL THICKNESS: 0.028 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND SINGLE END
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE END IN
•
END CONNECTION STYLE: SWIVEL NUT, INVERTED FLARE SINGLE END
TECHNICAL CHARACTERISTICS
SEAT ANGLE IN DEG37.0 SINGLE END
DESIGN FORMSTRAIGHT
MATING END QUANTITY2 SINGLE END
OVERALL LENGTH23.375 INCHES NOMINAL IN
WALL THICKNESS0.028 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SINGLE END
NOMINAL THREAD SIZE0.375 INCHES SINGLE END IN
END CONNECTION STYLESWIVEL NUT, INVERTED FLARE SINGLE END
TUBE OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
THREAD CLASS2A SINGLE END A
SUBSTITUTES & CROSS-REFERENCES 1
BM1277Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H90040?
H90040 is a TUBE ASSEMBLY,METAL.
What parts can replace H90040?
There is 1 known substitute for H90040: BM1277. Substitute compatibility should be verified for your specific system.
What is the NSN for H90040?
H90040 is cataloged in the U.S. Government catalog under NSN 4710-00-362-1857. 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.