PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 6635S
6635S ✓ 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: 0.625 INCHES NOMINAL IN, outside_diameter: 6.071 INCHES NOMINAL IN, special_features: W/INTEGRAL COVER PLATE AND STEEL GARTER SPRING, surface_treatment: PLASTIC CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-842-5792, 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
6635S
NSN: 5330-00-842-5792
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
outside_diameter6.071 INCHES NOMINAL IN
special_featuresW/INTEGRAL COVER PLATE AND STEEL GARTER SPRING
surface_treatmentPLASTIC CASE
housing_bore_diameter6.065 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.375 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-842-5792
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6635S 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 DIAMETER: 4.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER4.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
SPECIAL FEATURESW/INTEGRAL COVER PLATE AND STEEL GARTER SPRING
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
SEAL WIDTH0.625 INCHES NOMINAL IN
OUTSIDE DIAMETER6.071 INCHES NOMINAL IN
HOUSING BORE DIAMETER6.065 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
43795Interchangeable
interchangeable cross-reference
interchangeable
4-2800Interchangeable
interchangeable cross-reference
interchangeable
A4-2800Interchangeable
interchangeable cross-reference
interchangeable
8-00282-1Interchangeable
interchangeable cross-reference
interchangeable
2-224C147-70Interchangeable
interchangeable cross-reference
interchangeable
585514-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 6635S?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6635S?
6635S is a SEAL,PLAIN ENCASED.
What parts can replace 6635S?
There are 23 known substitutes for 6635S: 43795, 4-2800, A4-2800 and 20 more. Substitute compatibility should be verified for your specific system.
Is 6635S still available?
6635S is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6635S

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026