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SE90A16A-8 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SE90A16A-8: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: THREADED, thread_class: 2B, overall_diameter: 1.1880 INCHES NOMINAL IN, surface_treatment: ANODIZE, round_cap_outside_surface_condition: KNURLED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-420-8889, 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
SE90A16A-8
NSN: 5340-01-420-8889
FSC: 5340 — Hardware, Commercial
CAGE: 07418 — JOSLYN SUNBANK COMPANY, LLC DBA JOSLYN SUNBANK CO LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeTHREADED
thread_class2B
overall_diameter1.1880 INCHES NOMINAL IN
surface_treatmentANODIZE
round_cap_outside_surface_conditionKNURLED
material_document_and_classificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator10-20 UNEF
connector_nominal_thread_size_for_which_designed1.0000 INCHES IN
NSN5340-01-420-8889
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SE90A16A-8 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
•
OVERALL DIAMETER: 1.1880 INCHES NOMINAL IN
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 1.0000 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ANODIZE
•
THREAD CLASS: 2B
•
MATERIAL: ALUMINUM ALLOY
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 10-20 UNEF
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER1.1880 INCHES NOMINAL IN
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED1.0000 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS2B
MATERIALALUMINUM ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR10-20 UNEF
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
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 1
GC860EB16LReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 SE90A16A-8?
SE90A16A-8 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace SE90A16A-8?
There is 1 known substitute for SE90A16A-8: GC860EB16L. Substitute compatibility should be verified for your specific system.
What is the NSN for SE90A16A-8?
SE90A16A-8 is cataloged in the U.S. Government catalog under NSN 5340-01-420-8889. 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.