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501410 — COUPLER,DIRECTIONAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

501410: COUPLER,DIRECTIONAL.

The COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, length: 0.333 INCHES NOMINAL IN, material: STEEL OVERALL, unit_type: COAXIAL LINE, design_type: BIDIRECTIONAL, usage_design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-121-3871, 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
501410
NSN: 5330-01-121-3871
NIINs: 011213871, 012736434, 013235006
FSC: 5330 — Packing and Gasket Materials
CAGE: 72139 — HUCK INTERNATIONAL, INC. DIV KINGSTON OPERATIONS (USA)
SPECIFICATIONS
width0.250 INCHES NOMINAL IN
length0.333 INCHES NOMINAL IN
materialSTEEL OVERALL
unit_typeCOAXIAL LINE
design_typeBIDIRECTIONAL
usage_designMAIN LINE AND SECONDARY LINE TERMINAL FITTING
hole_diameter0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
overall_width0.380 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
special_featuresONE MTG HOLE 0.104 IN. DIA THRU IN
NSN5330-01-121-3871
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 501410 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 501410?
501410 is a COUPLER,DIRECTIONAL.
What is the NSN for 501410?
501410 is cataloged in the U.S. Government catalog under NSN 5330-01-121-3871. 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.