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159-54175 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

159-54175: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: GLASS BODY, base_width: 1.344 INCHES NOMINAL IN, overall_width: 2.688 INCHES NOMINAL IN, overall_height: 2.750 INCHES NOMINAL IN, overall_length: 3.375 INCHES NOMINAL IN, sealing_method: MECHANICAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-247-4675, 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
159-54175
NSN: 5340-00-247-4675
FSC: 5340 — Hardware, Commercial
CAGE: 28298 — SMITH AND SMITH AIRCRAFT CO (USA)
SPECIFICATIONS
materialGLASS BODY
base_width1.344 INCHES NOMINAL IN
overall_width2.688 INCHES NOMINAL IN
overall_height2.750 INCHES NOMINAL IN
overall_length3.375 INCHES NOMINAL IN
sealing_methodMECHANICAL
mounting_methodCOMPRESSION
style_designatorTHRU-HOLE
base_overall_length2.219 INCHES NOMINAL IN
fsc_application_dataFUSELAGE SECT.,AIRFRAME
opening_inside_diameter0.938 INCHES NOMINAL IN
mounting_device_quantity5
NSN5340-00-247-4675
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 159-54175 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
•
FSC APPLICATION DATA: FUSELAGE SECT.,AIRFRAME
•
SEALING METHOD: MECHANICAL
•
OPENING INSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
MOUNTING METHOD: COMPRESSION
•
STYLE DESIGNATOR: THRU-HOLE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.750 INCHES NOMINAL IN
FSC APPLICATION DATAFUSELAGE SECT.,AIRFRAME
SEALING METHODMECHANICAL
OPENING INSIDE DIAMETER0.938 INCHES NOMINAL IN
MOUNTING METHODCOMPRESSION
STYLE DESIGNATORTHRU-HOLE
OVERALL LENGTH3.375 INCHES NOMINAL IN
OVERALL WIDTH2.688 INCHES NOMINAL IN
BASE OVERALL LENGTH2.219 INCHES NOMINAL IN
MOUNTING DEVICE QUANTITY5
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 159-54175?
159-54175 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 159-54175?
159-54175 is cataloged in the U.S. Government catalog under NSN 5340-00-247-4675. 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.