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Technical Data Sheet

202C658-51/164 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

202C658-51/164: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY, body_height: 6.400 INCHES NOMINAL IN, overall_height: 8.000 INCHES NOMINAL IN, special_features: 0.900 IN. DIA SECOND END IN, style_designator: THRU-HOLE, EXPANDABLE, material_thickness: 0.025 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-261-2440, 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
202C658-51/164
NSN: 5340-01-261-2440
FSC: 5340 — Hardware, Commercial
CAGE: 06090 — TE CONNECTIVITY CORPORATION DBA RAYCHEM PRODUCT DIVISION (USA)
SPECIFICATIONS
materialPLASTIC BODY
body_height6.400 INCHES NOMINAL IN
overall_height8.000 INCHES NOMINAL IN
special_features0.900 IN. DIA SECOND END IN
style_designatorTHRU-HOLE, EXPANDABLE
material_thickness0.025 INCHES NOMINAL IN
body_outside_diameter2.000 INCHES NOMINAL IN
opening_inside_diameter1.300 INCHES NOMINAL IN
NSN5340-01-261-2440
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 202C658-51/164 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
•
OPENING INSIDE DIAMETER: 1.300 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
BODY HEIGHT: 6.400 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
MATERIAL: PLASTIC BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT8.000 INCHES NOMINAL IN
OPENING INSIDE DIAMETER1.300 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
BODY HEIGHT6.400 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
SPECIAL FEATURES0.900 IN. DIA SECOND END IN
MATERIALPLASTIC BODY
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 202C658-51/164?
202C658-51/164 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 202C658-51/164?
202C658-51/164 is cataloged in the U.S. Government catalog under NSN 5340-01-261-2440. 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.