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425W — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

425W: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.219 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, special_features: STEEL WASHER INSERT, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-006-0636, 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
425W
NSN: 5340-00-006-0636
FSC: 5340 — Hardware, Commercial
CAGE: 70485 — ATLANTIC INDIA RUBBER CO INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.219 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
special_featuresSTEEL WASHER INSERT
style_designatorFLAT TOP COUNTERBORED
first_counterbore_depth0.250 INCHES NOMINAL IN
material_hardness_rating40.0 SHORE DUROMETER A MINIMUM AND 100.0 SHORE DUROMETER A MAXIMUM
first_counterbore_diameter0.500 INCHES NOMINAL IN
outside/top_flange_diameter1.000 INCHES NOMINAL IN
NSN5340-00-006-0636
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 425W 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: 1.000 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 40.0 SHORE DUROMETER A MINIMUM AND 100.0 SHORE DUROMETER A MAXIMUM
•
FIRST COUNTERBORE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.250 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.000 INCHES NOMINAL IN
MATERIAL HARDNESS RATING40.0 SHORE DUROMETER A MINIMUM AND 100.0 SHORE DUROMETER A MAXIMUM
FIRST COUNTERBORE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.250 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESSTEEL WASHER INSERT
MATERIALRUBBER
HOLE DIAMETER0.219 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 1
2606873-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 425W?
425W is a BUMPER.
What parts can replace 425W?
There is 1 known substitute for 425W: 2606873-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 425W?
425W is cataloged in the U.S. Government catalog under NSN 5340-00-006-0636. This indicates validated use in U.S. government and defense supply chains.
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