PartsTable
Technical Data Sheet
31166 ✓ Verified by PartsTable
Nathan · 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 INSERT,ELECTRICAL CONNECTOR is a Nathan industrial component. Key specifications include color: YELLOW, cushion: NOT INCLUDED, material: STEEL CORROSION RESISTING OVERALL, body_style: STRAIGHT SHAPE, ROUND, mounting_pad: NOT INCLUDED, overall_width: 1.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-391-3330, 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
31166
NSN: 5340-00-391-3330
FSC: 5340
CAGE: 54123 — COLSON CORP THE (USA)
SPECIFICATIONS
colorYELLOW
cushionNOT INCLUDED
materialSTEEL CORROSION RESISTING OVERALL
body_styleSTRAIGHT SHAPE, ROUND
mounting_padNOT INCLUDED
overall_width1.125 INCHES NOMINAL IN
overall_height0.219 INCHES NOMINAL IN
overall_length250.0 MILLIMETERS NOMINAL MM
insert_materialCERAMIC SINGLE MATING END
overall_diameter0.446 INCHES MINIMUM AND 0.461 INCHES MAXIMUM IN
special_features6.5 MM DIA; USED W/DRILL BIT 3.2 MM DIA; FOR 6.5 MM CANCELLOUS SCREWS (THROUGH A HARD FIRST CORTEX ONLY OR IN HARD CANCELLOUS BONE OF YOUNG PATIENTS) MM
style_designatorCURVED ARCH
NSN5340-00-391-3330
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31166 MFR: Nathan ⚠ 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
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A366-A368 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATOR: CURVED ARCH
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
CUSHION: NOT INCLUDED
INSIDE DIAMETER/ARCH LENGTH: 2.250 INCHES NOMINAL IN
MOUNTING HOLE SIZE: 0.750 INCHES NOMINAL IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 6.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A366-A368 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORCURVED ARCH
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
CUSHIONNOT INCLUDED
INSIDE DIAMETER/ARCH LENGTH2.250 INCHES NOMINAL IN
MOUNTING HOLE SIZE0.750 INCHES NOMINAL IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH6.125 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS5.374 INCHES NOMINAL IN
OVERALL LENGTH5.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
311.66Upgraded Successor
successor cross-reference
successor
N89B035Upgraded Successor
successor cross-reference
successor
6515NCM194646Upgraded Successor
successor cross-reference
successor
FFS111STYLE2SInterchangeable
interchangeable cross-reference
interchangeable
102153Interchangeable
interchangeable cross-reference
interchangeable
010105091Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31166?
31166 is a INSERT,ELECTRICAL CONNECTOR manufactured by Nathan.
What parts can replace 31166?
There are 20 known substitutes for 31166: 311.66, N89B035, 6515NCM194646 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31166?
31166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-391-3330. This indicates validated use in U.S. government and defense supply chains.
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