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TB155-S7-8D — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TB155-S7-8D: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM, design_type: THREADED, overall_diameter: 1.801 INCHES MAXIMUM IN, width_across_flats: 1.562 INCHES NOMINAL IN, thread_size_and_series/type_designator: 1.125-18 UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-418-8013, 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
TB155-S7-8D
NSN: 5340-01-418-8013
FSC: 5340 — Hardware, Commercial
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM
design_typeTHREADED
overall_diameter1.801 INCHES MAXIMUM IN
width_across_flats1.562 INCHES NOMINAL IN
thread_size_and_series/type_designator1.125-18 UNEF
NSN5340-01-418-8013
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TB155-S7-8D 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
•
WIDTH ACROSS FLATS: 1.562 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 1.801 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.125-18 UNEF
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.562 INCHES NOMINAL IN
DESIGN TYPETHREADED
OVERALL DIAMETER1.801 INCHES MAXIMUM IN
MATERIALALUMINUM
THREAD SIZE AND SERIES/TYPE DESIGNATOR1.125-18 UNEF
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TB155-S7-8D?
TB155-S7-8D is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for TB155-S7-8D?
TB155-S7-8D is cataloged in the U.S. Government catalog under NSN 5340-01-418-8013. 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.