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Technical Data Sheet
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58211-503 — Technical Data Sheet

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— · 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 SLIDE SECTION,DRAWER,EXTENSION is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-411-0545, 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
58211-503
NSN: 5340-00-411-0545
FSC: 5340
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
Part Number58211-503
NSN5340-00-411-0545
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 58211-503 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7677InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
076778InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H7176NB-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
58211InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
49070-04InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
58211-3InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58211-503?
58211-503 is a SLIDE SECTION,DRAWER,EXTENSION.
What parts can replace 58211-503?
There are 6 known substitutes for 58211-503: 7677, 076778, H7176NB-8 and 3 more. Substitute compatibility should be verified for your specific system.
Is 58211-503 still available?
58211-503 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026