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U49533448-100 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

U49533448-100: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include special_features: MATERIAL-EPDN RUBBER; LENGTH 6.61; WIDTH 8.71; RADIUS 4X .36, end_item_identification: NSN 5420-01-430-5403 CARRIER,BRIDGE LAUNCHING, part_name_assigned_by_controlling_agency: SEAL, COVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-581-2103, 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
U49533448-100
NSN: 5340-01-581-2103
FSC: 5340 — Hardware, Commercial
CAGE: 4R096 — UNITED SEAL & RUBBER COMPANY, INC. DBA UNITED SEAL & RUBBER CO INC (USA)
SPECIFICATIONS
special_featuresMATERIAL-EPDN RUBBER; LENGTH 6.61; WIDTH 8.71; RADIUS 4X .36
end_item_identificationNSN 5420-01-430-5403 CARRIER,BRIDGE LAUNCHING
part_name_assigned_by_controlling_agencySEAL, COVER
NSN5340-01-581-2103
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U49533448-100 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL-EPDN RUBBER; LENGTH 6.61; WIDTH 8.71; RADIUS 4X .36
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, COVER
END ITEM IDENTIFICATIONNSN 5420-01-430-5403 CARRIER,BRIDGE LAUNCHING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
12523107Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 U49533448-100?
U49533448-100 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace U49533448-100?
There is 1 known substitute for U49533448-100: 12523107. Substitute compatibility should be verified for your specific system.
What is the NSN for U49533448-100?
U49533448-100 is cataloged in the U.S. Government catalog under NSN 5340-01-581-2103. 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.