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5223628-1 — SEAL,SPECIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5223628-1: SEAL,SPECIAL.

The SEAL,SPECIAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, minor_width: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, temp_rating: -80.0 FAHRENHEIT AND -80.0 FAHRENHEIT AND 425.0 FAHRENHEIT425.0 FAHRENHEIT DEGF, construction: ONE-PIECEONE-PIECE, overall_length: 108.000 INCHES MINIMUM AND 108.000 INCHES MINIMUM AND 112.000 INCHES MAXIMUM112.000 INCHES MAXIMUM IN, hardness_rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-303-8494, 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
5223628-1
NSN: 5330-01-303-8494
NIINs: 013038494, 013661207
FSC: 5330 — Packing and Gasket Materials
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
minor_width0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
temp_rating-80.0 FAHRENHEIT AND -80.0 FAHRENHEIT AND 425.0 FAHRENHEIT425.0 FAHRENHEIT DEGF
constructionONE-PIECEONE-PIECE
overall_length108.000 INCHES MINIMUM AND 108.000 INCHES MINIMUM AND 112.000 INCHES MAXIMUM112.000 INCHES MAXIMUM IN
hardness_rating40.0 SHORE DUROMETER A NOMINAL OVERALL
cross-sectional_width0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
material_document_and_classificationZZ-R-765,CLASS 2B,GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-303-8494
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5223628-1 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
SUBSTITUTES & CROSS-REFERENCES 2
5223628Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
5219976-3Reference document
Same NSN cross-reference
Reference document — Secondary 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 5223628-1?
5223628-1 is a SEAL,SPECIAL.
What parts can replace 5223628-1?
There are 2 known substitutes for 5223628-1: 5223628, 5219976-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 5223628-1?
5223628-1 is cataloged in the U.S. Government catalog under NSN 5330-01-303-8494. 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.