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PartsTable / MRO / 3000521
3000521 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, body_style: BUSHING MOUNT, body_width: 0.625 INCHES NOMINAL IN, body_height: 1.000 INCHES NOMINAL IN, body_length: 1.125 INCHES NOMINAL IN, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-159-1464, 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
MRO→ MRO_GENERAL→ 3000521
NSN: 5331-00-159-1464
FSC: 5331 — O-RING
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
body_styleBUSHING MOUNT
body_width0.625 INCHES NOMINAL IN
body_height1.000 INCHES NOMINAL IN
body_length1.125 INCHES NOMINAL IN
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
overall_width0.625 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.469 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height2.125 INCHES NOMINAL IN
overall_length1.125 INCHES NOMINAL IN
NSN5331-00-159-1464
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3000521 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
•
CROSS-SECTIONAL HEIGHT: 0.141 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.141 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SDS15Interchangeable
interchangeable cross-reference
interchangeable
82601Interchangeable
interchangeable cross-reference
interchangeable
3000521Interchangeable
interchangeable cross-reference
interchangeable
A6689.212.303Interchangeable
interchangeable cross-reference
interchangeable
2-212 N674-70Interchangeable
interchangeable cross-reference
interchangeable
2-212 N0674-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3000521?
3000521 is a SWITCH,TOGGLE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3000521?
There are 7 known substitutes for 3000521: SDS15, 82601, 3000521 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3000521?
3000521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-159-1464. 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