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43090SR — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

43090SR: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q SEALING ELEMENT, case_style: RECESSED, seal_width: 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, temp_rating: -60.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, housing_bore_diameter: 0.907 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-176-1102, 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
43090SR
NSN: 5330-00-176-1102
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q SEALING ELEMENT
case_styleRECESSED
seal_width0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
temp_rating-60.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
housing_bore_diameter0.907 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.437 INCHES NOMINAL IN
material_document_and_classificationMS-BZ-87 FSCM 07200 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
NSN5330-00-176-1102
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43090SR 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: -60.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 0.907 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS-BZ-87 FSCM 07200 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 0.437 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q SEALING ELEMENT
TECHNICAL CHARACTERISTICS
TEMP RATING-60.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
SEAL WIDTH0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER0.907 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMS-BZ-87 FSCM 07200 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER0.437 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q 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 1
2233406Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 43090SR?
43090SR is a SEAL,PLAIN ENCASED.
What parts can replace 43090SR?
There is 1 known substitute for 43090SR: 2233406. Substitute compatibility should be verified for your specific system.
What is the NSN for 43090SR?
43090SR is cataloged in the U.S. Government catalog under NSN 5330-00-176-1102. 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.