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90-1872 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

90-1872: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SINGLE END, unit_type: COAXIAL LINE AND WAVEGUIDE, design_form: PREBENT, design_type: UNIDIRECTIONAL, thread_class: 3B SINGLE END, overall_width: 4.495 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-691-1623, 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
90-1872
NSN: 4710-00-691-1623
NIINs: 006911623, 010843107
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SINGLE END
unit_typeCOAXIAL LINE AND WAVEGUIDE
design_formPREBENT
design_typeUNIDIRECTIONAL
thread_class3B SINGLE END
overall_width4.495 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
overall_height1.300 INCHES MAXIMUM IN
overall_length7.650 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg33.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.500 INCHES SINGLE END IN
NSN4710-00-691-1623
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 90-1872 · 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: 33.0 SINGLE END
•
DESIGN FORM: PREBENT
•
MATING END QUANTITY: 2 SINGLE END
•
THREAD DIRECTION: RIGHT-HAND SINGLE END
•
NOMINAL THREAD SIZE: 0.500 INCHES SINGLE END IN
•
END CONNECTION STYLE: SWIVEL NUT, FLARED SINGLE END
•
TUBE OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
THREAD CLASS: 3B SINGLE END
TECHNICAL CHARACTERISTICS
SEAT ANGLE IN DEG33.0 SINGLE END
DESIGN FORMPREBENT
MATING END QUANTITY2 SINGLE END
THREAD DIRECTIONRIGHT-HAND SINGLE END
NOMINAL THREAD SIZE0.500 INCHES SINGLE END IN
END CONNECTION STYLESWIVEL NUT, FLARED SINGLE END
TUBE OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
THREAD CLASS3B SINGLE END
MATERIALALUMINUM ALLOY SINGLE END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 90-1872?
90-1872 is a COUPLER,DIRECTIONAL.
What is the NSN for 90-1872?
90-1872 is cataloged in the U.S. Government catalog under NSN 4710-00-691-1623. This indicates validated use in U.S. government and defense supply chains.
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