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21086-3564 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21086-3564: SEAL,PLAIN ENCASED.

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, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, construction: ONE-PIECE, housing_bore_diameter: 9.010 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-641-7409, 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
21086-3564
NSN: 5330-01-641-7409
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
constructionONE-PIECE
housing_bore_diameter9.010 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationSLIDING PADEYE
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter7.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
part_name_assigned_by_controlling_agencySEAL, BALL SCREW DRIVE ASSEMBLY
NSN5330-01-641-7409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21086-3564 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: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HOUSING BORE DIAMETER: 9.010 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 7.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
SEAL WIDTH0.625 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER9.010 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER7.625 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, BALL SCREW DRIVE ASSEMBLY
END ITEM IDENTIFICATIONSLIDING PADEYE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
8287040 ITEM 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8287121-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21086-3564?
21086-3564 is a SEAL,PLAIN ENCASED.
What parts can replace 21086-3564?
There are 2 known substitutes for 21086-3564: 8287040 ITEM 10, 8287121-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 21086-3564?
21086-3564 is cataloged in the U.S. Government catalog under NSN 5330-01-641-7409. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.