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403842 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

403842: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, shank_length: 0.230 INCHES NOMINAL IN, overall_height: 0.330 INCHES NOMINAL IN, shank_diameter: 0.944 INCHES NOMINAL IN, style_designator: FLANGED BEVELED SHANK, fsc_application_data: ENGINE,TURBO-JET. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-809-2444, 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
403842
NSN: 5340-00-809-2444
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
shank_length0.230 INCHES NOMINAL IN
overall_height0.330 INCHES NOMINAL IN
shank_diameter0.944 INCHES NOMINAL IN
style_designatorFLANGED BEVELED SHANK
fsc_application_dataENGINE,TURBO-JET
material_hardness_rating70.0 DUROMETER NOMINAL
outside/top_flange_diameter1.700 INCHES NOMINAL IN
NSN5340-00-809-2444
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 403842 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
•
SHANK DIAMETER: 0.944 INCHES NOMINAL IN
•
FSC APPLICATION DATA: ENGINE,TURBO-JET
•
OUTSIDE/TOP FLANGE DIAMETER: 1.700 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 70.0 DUROMETER NOMINAL
•
SHANK LENGTH: 0.230 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED BEVELED SHANK
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.944 INCHES NOMINAL IN
OVERALL HEIGHT0.330 INCHES NOMINAL IN
FSC APPLICATION DATAENGINE,TURBO-JET
OUTSIDE/TOP FLANGE DIAMETER1.700 INCHES NOMINAL IN
MATERIAL HARDNESS RATING70.0 DUROMETER NOMINAL
SHANK LENGTH0.230 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED BEVELED SHANK
COLORBLACK
MATERIALRUBBER SYNTHETIC
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 403842?
403842 is a BUMPER.
What is the NSN for 403842?
403842 is cataloged in the U.S. Government catalog under NSN 5340-00-809-2444. 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.