PartsTable
Technical Data Sheet
Download PDF

MBEU146744 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MBEU146744: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY 7075, design_type: THREADED, thread_class: 2B, material_document_and_classification: QQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE, thread_size_and_series/type_designator: F7/16-20 UN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-421-2046, 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
MBEU146744
NSN: 5340-01-421-2046
FSC: 5340 — Hardware, Commercial
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
design_typeTHREADED
thread_class2B
material_document_and_classificationQQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designatorF7/16-20 UN
NSN5340-01-421-2046
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MBEU146744 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
•
DESIGN TYPE: THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2B
•
MATERIAL: ALUMINUM ALLOY 7075
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: F7/16-20 UN
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/11, ALLOY 7075, T73 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2B
MATERIALALUMINUM ALLOY 7075
THREAD SIZE AND SERIES/TYPE DESIGNATORF7/16-20 UN
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
Ready to buy MBEU146744?
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 MBEU146744?
MBEU146744 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for MBEU146744?
MBEU146744 is cataloged in the U.S. Government catalog under NSN 5340-01-421-2046. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MBEU146744

✓ 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.