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402-0401 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

402-0401: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL AND STEEL, thread_size: 1/2-13, shank_length: 1.250 INCHES NOMINAL IN, overall_height: 2.750 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP THREADED STUD, outside/top_flange_diameter: 4.483 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-062-7618, 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
402-0401
NSN: 5340-01-062-7618
FSC: 5340 — Hardware, Commercial
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialRUBBER NATURAL AND STEEL
thread_size1/2-13
shank_length1.250 INCHES NOMINAL IN
overall_height2.750 INCHES NOMINAL IN
style_designatorFLAT RECESSED TOP THREADED STUD
outside/top_flange_diameter4.483 INCHES NOMINAL IN
material_document_and_classificationAISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-062-7618
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 402-0401 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: 4.483 INCHES NOMINAL IN
•
SHANK LENGTH: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP THREADED STUD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD SIZE: 1/2-13
•
MATERIAL: RUBBER NATURAL AND STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.750 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER4.483 INCHES NOMINAL IN
SHANK LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP THREADED STUD
MATERIAL DOCUMENT AND CLASSIFICATIONAISI C1010 ASSN STD SINGLE MATERIAL RESPONSE
THREAD SIZE1/2-13
MATERIALRUBBER NATURAL AND STEEL
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 2
72-5192Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
J-5682-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 402-0401?
402-0401 is a BUMPER.
What parts can replace 402-0401?
There are 2 known substitutes for 402-0401: 72-5192, J-5682-32. Substitute compatibility should be verified for your specific system.
What is the NSN for 402-0401?
402-0401 is cataloged in the U.S. Government catalog under NSN 5340-01-062-7618. This indicates validated use in U.S. government and defense supply chains.
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