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8884T13 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8884T13: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hole_diameter: 0.125 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, special_features: THE OEM CAGE IS 3M927;TEMPERATURE RANG IS -45.0 TO +250.0 DEGREES FARENHEIT, style_designator: FLAT TOP COUNTERBORED, end_item_identification: BOAT, INFLATABLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-640-7878, 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
8884T13
NSN: 5340-01-640-7878
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hole_diameter0.125 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
special_featuresTHE OEM CAGE IS 3M927;TEMPERATURE RANG IS -45.0 TO +250.0 DEGREES FARENHEIT
style_designatorFLAT TOP COUNTERBORED
end_item_identificationBOAT, INFLATABLE
first_counterbore_depth0.188 INCHES NOMINAL IN
material_hardness_rating50.0 SHORE DUROMETER A NOMINAL
first_counterbore_diameter0.234 INCHES NOMINAL IN
outside/top_flange_diameter0.500 INCHES NOMINAL IN
NSN5340-01-640-7878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8884T13 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: 0.500 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL
•
FIRST COUNTERBORE DIAMETER: 0.234 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.188 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL
FIRST COUNTERBORE DIAMETER0.234 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.188 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESTHE OEM CAGE IS 3M927;TEMPERATURE RANG IS -45.0 TO +250.0 DEGREES FARENHEIT
END ITEM IDENTIFICATIONBOAT, INFLATABLE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 8884T13?
8884T13 is a BUMPER.
What is the NSN for 8884T13?
8884T13 is cataloged in the U.S. Government catalog under NSN 5340-01-640-7878. 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.