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K87-0077 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

K87-0077: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: RECESSED, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 3.500 INCHES NOMINAL IN, sealing_element_style: ANGULAR, maximum_pressure_rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-855-1354, 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
K87-0077
NSN: 5330-00-855-1354
FSC: 5330 — Packing and Gasket Materials
CAGE: 20019 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter3.500 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter2.437 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-855-1354
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K87-0077 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
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 2.437 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER2.437 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
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
63X1747Reference document
Same NSN cross-reference
Reference document — Secondary reference
00044Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 K87-0077?
K87-0077 is a SEAL,PLAIN ENCASED.
What parts can replace K87-0077?
There are 2 known substitutes for K87-0077: 63X1747, 00044. Substitute compatibility should be verified for your specific system.
What is the NSN for K87-0077?
K87-0077 is cataloged in the U.S. Government catalog under NSN 5330-00-855-1354. This indicates validated use in U.S. government and defense supply chains.
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