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MBEU5799 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MBEU5799: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 3.000 INCHES NOMINAL IN, flange_diameter: 1.121 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN, flange_thickness: 0.187 INCHES NOMINAL IN, style_designator: PARALLEL, body_inside_diameter: 0.844 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-065-2363, 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
MBEU5799
NSN: 5340-00-065-2363
FSC: 5340 — Hardware, Commercial
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height3.000 INCHES NOMINAL IN
flange_diameter1.121 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
flange_thickness0.187 INCHES NOMINAL IN
style_designatorPARALLEL
body_inside_diameter0.844 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5340-00-065-2363
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MBEU5799 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
•
FLANGE DIAMETER: 1.121 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.187 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
BODY INSIDE DIAMETER: 0.844 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.121 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
OVERALL HEIGHT3.000 INCHES NOMINAL IN
FLANGE THICKNESS0.187 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
BODY INSIDE DIAMETER0.844 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL CORROSION RESISTING
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

No substitute or cross-reference records for this part.

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 MBEU5799?
MBEU5799 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for MBEU5799?
MBEU5799 is cataloged in the U.S. Government catalog under NSN 5340-00-065-2363. 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.