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Technical Data Sheet
PartsTable / COMPONENT / 912776
912776 ✓ 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 PARTS KIT PUMP is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B, case_style: RECESSED, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 4.381 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-486-4759, 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
912776
NSN: 5330-00-486-4759
FSC: 5330
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B
case_styleRECESSED
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter4.381 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.376 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter3.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-486-4759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 912776 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
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
CASE STYLE: RECESSED
•
OUTSIDE DIAMETER: 4.381 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
•
HOUSING BORE DIAMETER: 4.376 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 3.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR-OPPOSED
CASE STYLERECESSED
OUTSIDE DIAMETER4.381 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
HOUSING BORE DIAMETER4.376 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B
ACCOMMODATED SHAFT DIAMETER3.375 INCHES NOMINAL IN
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SURFACE TREATMENTPLASTIC CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
512264Interchangeable
interchangeable cross-reference
interchangeable
33701Interchangeable
interchangeable cross-reference
interchangeable
5502-54Interchangeable
interchangeable cross-reference
interchangeable
4590067-01Interchangeable
interchangeable cross-reference
interchangeable
912776Interchangeable
interchangeable cross-reference
interchangeable
2321946Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 912776?
912776 is a PARTS KIT PUMP.
What parts can replace 912776?
There are 9 known substitutes for 912776: 512264, 33701, 5502-54 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 912776?
912776 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-486-4759. 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