PartsTable
Technical Data Sheet

0.5"X1.1875 MIL-R-900 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0.5"X1.1875 MIL-R-900: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, overall_width: 1.187 INCHES NOMINAL IN, overall_length: 36.000 INCHES NOMINAL IN, end_item_identification: LOCKER, OFF G, cross-sectional_thickness: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-669-6248, 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
0.5"X1.1875 MIL-R-900
NSN: 5330-01-669-6248
FSC: 5330 — Packing and Gasket Materials
CAGE: 06470 — WEST AMERICAN RUBBER COMPANY, LLC. DBA WEST AMERICAN RUBBER CO LLC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_width1.187 INCHES NOMINAL IN
overall_length36.000 INCHES NOMINAL IN
end_item_identificationLOCKER, OFF G
cross-sectional_thickness0.500 INCHES NOMINAL IN
NSN5330-01-669-6248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0.5"X1.1875 MIL-R-900 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
•
CROSS-SECTIONAL THICKNESS: 0.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.500 INCHES NOMINAL IN
OVERALL LENGTH36.000 INCHES NOMINAL IN
OVERALL WIDTH1.187 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLOCKER, OFF G
MATERIALRUBBER OVERALL
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
MIL-R-900 (0.26THK X 1 3/16W X36Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0.5"X1.1875 MIL-R-900?
0.5"X1.1875 MIL-R-900 is a GASKET.
What parts can replace 0.5"X1.1875 MIL-R-900?
There is 1 known substitute for 0.5"X1.1875 MIL-R-900: MIL-R-900 (0.26THK X 1 3/16W X36. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.5"X1.1875 MIL-R-900?
0.5"X1.1875 MIL-R-900 is cataloged in the U.S. Government catalog under NSN 5330-01-669-6248. 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.