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21383-0592 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21383-0592: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, surface_treatment: CADMIUM AND CHROMATE CASE, housing_bore_diameter: 2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-404-1842, 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
21383-0592
NSN: 5330-00-404-1842
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
surface_treatmentCADMIUM AND CHROMATE CASE
housing_bore_diameter2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.437 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1000 FEET PER MINUTE FT
surface_treatment_document_and_classificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE CASE
NSN5330-00-404-1842
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21383-0592 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 160.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.437 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
SEAL WIDTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE CASE
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.437 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE CASE
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 2
63X592CADPLDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
177510Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21383-0592?
21383-0592 is a SEAL,PLAIN ENCASED.
What parts can replace 21383-0592?
There are 2 known substitutes for 21383-0592: 63X592CADPLD, 177510. Substitute compatibility should be verified for your specific system.
What is the NSN for 21383-0592?
21383-0592 is cataloged in the U.S. Government catalog under NSN 5330-00-404-1842. 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.