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5428876-1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5428876-1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 CASE, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 3.000 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-306-4875, 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
5428876-1
NSN: 5330-01-306-4875
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 CASE
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter3.000 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter2.000 INCHES NOMINAL IN
NSN5330-01-306-4875
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5428876-1 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: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE SPRING
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/4 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-200/5 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-250/7 FED SPEC 3RD MATERIAL RESPONSE CASE
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.000 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL CORROSION RESISTING SPRING
MATERIALALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 CASE
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 4
200-300-8-03EH51Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
200-300-8-038851Reference document
Same NSN cross-reference
Reference document — Secondary reference
VA551165Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0242-31713-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5428876-1?
5428876-1 is a SEAL,PLAIN ENCASED.
What parts can replace 5428876-1?
There are 4 known substitutes for 5428876-1: 200-300-8-03EH51, 200-300-8-038851, VA551165 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5428876-1?
5428876-1 is cataloged in the U.S. Government catalog under NSN 5330-01-306-4875. This indicates validated use in U.S. government and defense supply chains.
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