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Technical Data Sheet
PartsTable / O-RING / 301877
301877 ✓ 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 RECTIFIER,SEMICONDUCTOR DEVICE is a the manufacturer industrial component. Key specifications include material: SILICON, body_length: 0.390 INCHES MAXIMUM IN, overall_width: 1.125 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 0.400 INCHES MAXIMUM IN, overall_length: 1.125 INCHES MAXIMUM 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 5331-00-291-4856, 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
301877
NSN: 5331-00-291-4856
FSC: 5331 — O-RING
CAGE: U1621 — SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS (GBR)
SPECIFICATIONS
materialSILICON
body_length0.390 INCHES MAXIMUM IN
overall_width1.125 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height0.400 INCHES MAXIMUM IN
overall_length1.125 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
overall_diameter0.355 INCHES NOMINAL IN
special_featuresMOUNTING HOLE 0.193 IN.DIA;INCLOSURE FEATURE:HERMETICALLY SEALED IN
winding_quantity1 SINGLE COMPONENT
inductance_rating1.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
NSN5331-00-291-4856
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 301877 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
301877Interchangeable
interchangeable cross-reference
interchangeable
26226Interchangeable
interchangeable cross-reference
interchangeable
PA40Interchangeable
interchangeable cross-reference
interchangeable
KBPC04Interchangeable
interchangeable cross-reference
interchangeable
2AFB40Interchangeable
interchangeable cross-reference
interchangeable
10010203Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301877?
301877 is a RECTIFIER,SEMICONDUCTOR DEVICE.
What parts can replace 301877?
There are 6 known substitutes for 301877: 301877, 26226, PA40 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301877?
301877 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-4856. 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