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691784 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

691784: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY TUBINGALUMINUM ALLOY TUBING, design_form: PREBENTPREBENT, wall_thickness: 0.035 INCHES NOMINAL0.035 INCHES NOMINAL IN, mating_end_quantity: 2 SINGLE END2 SINGLE END, tube_outside_diameter: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN, end_connection_spec/std: AN,AN818,AN818-16D,MIL,MS20819,MS20819-16DAN,AN818,AN818-16D,MIL,MS20819,MS20819-16D. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-654-5174, 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
691784
NSN: 4710-00-654-5174
NIINs: 006545174, 016089109
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY TUBINGALUMINUM ALLOY TUBING
design_formPREBENTPREBENT
wall_thickness0.035 INCHES NOMINAL0.035 INCHES NOMINAL IN
mating_end_quantity2 SINGLE END2 SINGLE END
tube_outside_diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
end_connection_spec/stdAN,AN818,AN818-16D,MIL,MS20819,MS20819-16DAN,AN818,AN818-16D,MIL,MS20819,MS20819-16D
NSN4710-00-654-5174
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 691784 · 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: PREBENTPREBENT
•
MATING END QUANTITY: 2 SINGLE END2 SINGLE END
•
WALL THICKNESS: 0.035 INCHES NOMINAL0.035 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY TUBINGALUMINUM ALLOY TUBING
•
END CONNECTION SPEC/STD: AN,AN818,AN818-16D,MIL,MS20819,MS20819-16DAN,AN818,AN818-16D,MIL,MS20819,MS20819-16D
TECHNICAL CHARACTERISTICS
DESIGN FORMPREBENTPREBENT
MATING END QUANTITY2 SINGLE END2 SINGLE END
WALL THICKNESS0.035 INCHES NOMINAL0.035 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY TUBINGALUMINUM ALLOY TUBING
END CONNECTION SPEC/STDAN,AN818,AN818-16D,MIL,MS20819,MS20819-16DAN,AN818,AN818-16D,MIL,MS20819,MS20819-16D
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 691784?
691784 is a TUBE ASSEMBLY,METAL.
What is the NSN for 691784?
691784 is cataloged in the U.S. Government catalog under NSN 4710-00-654-5174. 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.