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9546K23 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9546K23: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include overall_height: 1.250 INCHES NOMINAL IN, special_features: NEOPRENE TEMP RANGE -40 TO +200 F, style_designator: FLAT RECESSED TOP, supplementary_features: FEMALE THREADED BUMPER, outside/top_flange_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-378-2902, 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
9546K23
NSN: 5340-01-378-2902
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
overall_height1.250 INCHES NOMINAL IN
special_featuresNEOPRENE TEMP RANGE -40 TO +200 F
style_designatorFLAT RECESSED TOP
supplementary_featuresFEMALE THREADED BUMPER
outside/top_flange_diameter1.250 INCHES NOMINAL IN
NSN5340-01-378-2902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9546K23 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: 1.250 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: FEMALE THREADED BUMPER
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.250 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESFEMALE THREADED BUMPER
STYLE DESIGNATORFLAT RECESSED TOP
COLORBLACK
SPECIAL FEATURESNEOPRENE TEMP RANGE -40 TO +200 F
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9546K23?
9546K23 is a BUMPER.
What is the NSN for 9546K23?
9546K23 is cataloged in the U.S. Government catalog under NSN 5340-01-378-2902. 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.