PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1283-218
1283-218 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: LEATHER CATTLEHIDE OVERALL, center_hole_diameter: 1.254 INCHES NOMINAL IN, cross-sectional_height: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, end_item_identification: W/S: AIRCRAFT, STRATOFORTRESS B-52; TA-4J AIRCRAFT, material_document_and_classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: RETAINER,PACKING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-058-2830, 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
1283-218
NSN: 5330-00-058-2830
FSC: 5330
CAGE: 91069 — SEARLE LEATHER AND PACKING CO (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
center_hole_diameter1.254 INCHES NOMINAL IN
cross-sectional_height0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
end_item_identificationW/S: AIRCRAFT, STRATOFORTRESS B-52; TA-4J AIRCRAFT
material_document_and_classificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyRETAINER,PACKING
NSN5330-00-058-2830
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1283-218 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 HEIGHT: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.254 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: LEATHER CATTLEHIDE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER,PACKING
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.254 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S: AIRCRAFT, STRATOFORTRESS B-52; TA-4J AIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALLEATHER CATTLEHIDE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
582813Interchangeable
interchangeable cross-reference
interchangeable
MILR5521Interchangeable
interchangeable cross-reference
interchangeable
582838Interchangeable
interchangeable cross-reference
interchangeable
582868Interchangeable
interchangeable cross-reference
interchangeable
22-14Interchangeable
interchangeable cross-reference
interchangeable
2216LSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1283-218?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1283-218?
1283-218 is a GASKET.
What parts can replace 1283-218?
There are 25 known substitutes for 1283-218: 582813, MILR5521, 582838 and 22 more. Substitute compatibility should be verified for your specific system.
Is 1283-218 still available?
1283-218 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1283-218

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026