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015559S9-16D — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

015559S9-16D: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: ALUMINUM ALLOY, drive_type: HEX HEAD, design_type: THREADED, thread_class: 3A A, overall_diameter: 2.375 INCHES NOMINAL IN, special_features: 12 IN. CHAIN IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-842-9840, 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
015559S9-16D
NSN: 5340-00-842-9840
FSC: 5340 — Hardware, Commercial
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
drive_typeHEX HEAD
design_typeTHREADED
thread_class3A A
overall_diameter2.375 INCHES NOMINAL IN
special_features12 IN. CHAIN IN
features_providedSHOULDER
surface_treatmentANODIZE
thread_size_and_series/type_designator1-5/16-12 UN
NSN5340-00-842-9840
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 015559S9-16D 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: 2.375 INCHES NOMINAL IN
•
DRIVE TYPE: HEX HEAD
•
FEATURES PROVIDED: SHOULDER
•
SURFACE TREATMENT: ANODIZE
•
THREAD CLASS: 3A A
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER2.375 INCHES NOMINAL IN
DRIVE TYPEHEX HEAD
FEATURES PROVIDEDSHOULDER
SPECIAL FEATURES12 IN. CHAIN IN
SURFACE TREATMENTANODIZE
THREAD CLASS3A A
MATERIALALUMINUM ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-5/16-12 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 015559S9-16D?
015559S9-16D is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 015559S9-16D?
015559S9-16D is cataloged in the U.S. Government catalog under NSN 5340-00-842-9840. 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.