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519906 — RACK,ELECTRICAL EQUIPMENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

519906: RACK,ELECTRICAL EQUIPMENT.

The RACK,ELECTRICAL EQUIPMENT is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: RECESSED, seal_width: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, outside_diameter: 1.987 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-262-0897, 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
519906
NSN: 5330-00-262-0897
NIINs: 002620897, 016951781
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleRECESSED
seal_width0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
outside_diameter1.987 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter0.997 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
part_name_assigned_by_controlling_agencyRACK ASSEMBLY
NSN5330-00-262-0897
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 519906 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL
•
OUTSIDE DIAMETER: 1.987 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 0.997 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
SEAL WIDTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL
OUTSIDE DIAMETER1.987 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.982 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER0.997 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 519906?
519906 is a RACK,ELECTRICAL EQUIPMENT.
What is the NSN for 519906?
519906 is cataloged in the U.S. Government catalog under NSN 5330-00-262-0897. This indicates validated use in U.S. government and defense supply chains.
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