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Technical Data Sheet
PartsTable / COMPONENT / 31172
31172 ✓ 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 TERMINAL,LUG is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.433 INCHES NOMINAL IN, outside_diameter: 4.130 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 4.125 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 5330-00-702-5522, 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
31172
NSN: 5330-00-702-5522
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT B
case_styleSQUARE
seal_width0.433 INCHES NOMINAL IN
outside_diameter4.130 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.125 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
end_item_identificationEND ITEM 5835013697837
accommodated_shaft_diameter3.125 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-702-5522
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31172 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
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 3.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT A
•
HOUSING BORE DIAMETER: 4.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEVERTICAL-ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER3.125 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALSTEEL CASE
HOUSING BORE DIAMETER4.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
OUTSIDE DIAMETER4.130 INCHES NOMINAL IN
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3376518Interchangeable
interchangeable cross-reference
interchangeable
81100S4105-869744Interchangeable
interchangeable cross-reference
interchangeable
31185Interchangeable
interchangeable cross-reference
interchangeable
A-A-410Interchangeable
interchangeable cross-reference
interchangeable
65875Interchangeable
interchangeable cross-reference
interchangeable
32-45001-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31172?
31172 is a TERMINAL,LUG.
What parts can replace 31172?
There are 15 known substitutes for 31172: 3376518, 81100S4105-869744, 31185 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31172?
31172 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-702-5522. 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