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471B190-01 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

471B190-01: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include overall_height: 1.61 INCHES NOMINAL IN, special_features: BLACK OR ORANGE, style_designator: THRU-HOLE, body_outside_diameter: 2.73 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: PROTECTIVE BOOT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-699-3963, 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
471B190-01
NSN: 5340-01-699-3963
FSC: 5340 — Hardware, Commercial
CAGE: 049X3 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
overall_height1.61 INCHES NOMINAL IN
special_featuresBLACK OR ORANGE
style_designatorTHRU-HOLE
body_outside_diameter2.73 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyPROTECTIVE BOOT
NSN5340-01-699-3963
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 471B190-01 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
•
BODY OUTSIDE DIAMETER: 2.73 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.61 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.73 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
SPECIAL FEATURESBLACK OR ORANGE
PART NAME ASSIGNED BY CONTROLLING AGENCYPROTECTIVE BOOT
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 471B190-01?
471B190-01 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 471B190-01?
471B190-01 is cataloged in the U.S. Government catalog under NSN 5340-01-699-3963. 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.