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887853-2 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

887853-2: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE, shank_length: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, hole_diameter: 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN, overall_height: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, shank_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, special_features: TOP OF FLANGE SERRATED TO CBORE DEPTH. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-349-8679, 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
887853-2
NSN: 5340-00-349-8679
FSC: 5340 — Hardware, Commercial
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialRUBBER SILICONE
shank_length0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
hole_diameter0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
overall_height0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
shank_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
special_featuresTOP OF FLANGE SERRATED TO CBORE DEPTH
style_designatorCOUNTERBORED FLANGE
first_counterbore_depth0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
first_counterbore_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
outside/top_flange_diameter0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
material_document_and_classificationZZ-R-765, CLASS 2A, GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE A
NSN5340-00-349-8679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 887853-2 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: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FIRST COUNTERBORE DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
SHANK LENGTH: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: COUNTERBORED FLANGE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765, CLASS 2A, GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE A
•
FIRST COUNTERBORE DEPTH: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
OVERALL HEIGHT0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
OUTSIDE/TOP FLANGE DIAMETER0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FIRST COUNTERBORE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SHANK LENGTH0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
STYLE DESIGNATORCOUNTERBORED FLANGE
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765, CLASS 2A, GRADE 40 FED SPEC SINGLE MATERIAL RESPONSE A
FIRST COUNTERBORE DEPTH0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
SPECIAL FEATURESTOP OF FLANGE SERRATED TO CBORE DEPTH
MATERIALRUBBER SILICONE
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 887853-2?
887853-2 is a BUMPER.
What is the NSN for 887853-2?
887853-2 is cataloged in the U.S. Government catalog under NSN 5340-00-349-8679. This indicates validated use in U.S. government and defense supply chains.
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