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PartsTable / COMPONENT / NR11121M1
NR11121M1 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 0.312 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, outside_diameter: 1.128 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 5330-00-494-9966, 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
NR11121M1
NSN: 5330-00-494-9966
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.312 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
outside_diameter1.128 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.124 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.656 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-494-9966
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NR11121M1 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
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.656 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.128 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.124 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.656 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SEAL WIDTH0.312 INCHES NOMINAL IN
OUTSIDE DIAMETER1.128 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.124 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
6521Interchangeable
interchangeable cross-reference
interchangeable
4P94509-101AInterchangeable
interchangeable cross-reference
interchangeable
8Z-V8LR-B(P)Interchangeable
interchangeable cross-reference
interchangeable
ZV8LRBInterchangeable
interchangeable cross-reference
interchangeable
8Z-V8LR-BInterchangeable
interchangeable cross-reference
interchangeable
BX95Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NR11121M1?
NR11121M1 is a SEAL,PLAIN ENCASED.
What parts can replace NR11121M1?
There are 15 known substitutes for NR11121M1: 6521, 4P94509-101A, 8Z-V8LR-B(P) and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NR11121M1?
NR11121M1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-494-9966. 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