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588921 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

588921: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: CARBON SEALING ELEMENT, case_style: SQUARE, seal_width: 0.402 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN, surface_treatment: PASSIVATE CASE, housing_bore_diameter: 1.063 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN, sealing_element_style: VERTICAL-ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-022-7834, 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
588921
NSN: 5330-00-022-7834
FSC: 5330 — Packing and Gasket Materials
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialCARBON SEALING ELEMENT
case_styleSQUARE
seal_width0.402 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
surface_treatmentPASSIVATE CASE
housing_bore_diameter1.063 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter0.671 INCHES NOMINAL IN
NSN5330-00-022-7834
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 588921 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: 0.402 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
HOUSING BORE DIAMETER: 1.063 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.671 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE CASE
•
MATERIAL: CARBON SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.402 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
HOUSING BORE DIAMETER1.063 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.671 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE CASE
MATERIALCARBON SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
39-056-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 588921?
588921 is a SEAL,PLAIN ENCASED.
What parts can replace 588921?
There is 1 known substitute for 588921: 39-056-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 588921?
588921 is cataloged in the U.S. Government catalog under NSN 5330-00-022-7834. This indicates validated use in U.S. government and defense supply chains.
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