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9405K71 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9405K71: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC, hole_diameter: 0.1563 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, special_features: BUDWIG COMPANY 9692 VIA EXCELENCIA 103 SAN DIEGO CALIFORNIA (OEM) THEY DO NOT SELL TO THE GOVERNMENT, style_designator: DONUT TOP COUNTERBORED, end_item_identification: CONSOL GSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-654-0403, 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
9405K71
NSN: 5340-01-654-0403
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialPLASTIC
hole_diameter0.1563 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
special_featuresBUDWIG COMPANY 9692 VIA EXCELENCIA 103 SAN DIEGO CALIFORNIA (OEM) THEY DO NOT SELL TO THE GOVERNMENT
style_designatorDONUT TOP COUNTERBORED
end_item_identificationCONSOL GSE
first_counterbore_depth0.1406 INCHES NOMINAL IN
first_counterbore_diameter0.3281 INCHES NOMINAL IN
outside/top_flange_diameter0.6719 INCHES NOMINAL IN
NSN5340-01-654-0403
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9405K71 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
•
OUTSIDE/TOP FLANGE DIAMETER: 0.6719 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.3281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DONUT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.1406 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.6719 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.3281 INCHES NOMINAL IN
STYLE DESIGNATORDONUT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.1406 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESBUDWIG COMPANY 9692 VIA EXCELENCIA 103 SAN DIEGO CALIFORNIA (OEM) THEY DO NOT SELL TO THE GOVERNMENT
END ITEM IDENTIFICATIONCONSOL GSE
MATERIALPLASTIC
HOLE DIAMETER0.1563 INCHES NOMINAL IN
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 9405K71?
9405K71 is a BUMPER.
What is the NSN for 9405K71?
9405K71 is cataloged in the U.S. Government catalog under NSN 5340-01-654-0403. 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.