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WTAHN ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.685 INCHES NOMINAL IN, diameter: 0.130 INCHES NOMINAL IN, flange_diameter: 0.188 INCHES NOMINAL IN, left_slot_width: 0.031 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN, style_designator: FLANGED LEFT INTERNAL THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-072-8388, 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
WTAHN
NSN: 5340-01-072-8388
FSC: 5340
CAGE: 10400 — AIRBORN INTERCONNECT, LLC (USA)
SPECIFICATIONS
length0.685 INCHES NOMINAL IN
diameter0.130 INCHES NOMINAL IN
flange_diameter0.188 INCHES NOMINAL IN
left_slot_width0.031 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
style_designatorFLANGED LEFT INTERNAL THREAD
cross-sectional_shapeROUND
NSN5340-01-072-8388
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: WTAHN 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
KEY FEATURES
•
DIAMETER: 0.130 INCHES NOMINAL IN
•
LENGTH: 0.685 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED LEFT INTERNAL THREAD
•
LEFT SLOT WIDTH: 0.031 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.130 INCHES NOMINAL IN
LENGTH0.685 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED LEFT INTERNAL THREAD
LEFT SLOT WIDTH0.031 INCHES NOMINAL IN
FLANGE DIAMETER0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
FLANGE THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
31404Interchangeable
interchangeable cross-reference
interchangeable
35546Interchangeable
interchangeable cross-reference
interchangeable
18626Interchangeable
interchangeable cross-reference
interchangeable
31451Interchangeable
interchangeable cross-reference
interchangeable
50510Interchangeable
interchangeable cross-reference
interchangeable
125-3360-173-0060Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WTAHN?
WTAHN is a STANDOFF,THREADED,SPACING.
What parts can replace WTAHN?
There are 8 known substitutes for WTAHN: 31404, 35546, 18626 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WTAHN?
WTAHN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-072-8388. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026