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ZB-1157 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ZB-1157: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.156 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, style_designator: PAN TOP COUNTERBORED, end_item_identification: F-22, first_counterbore_depth: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-522-4132, 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
ZB-1157
NSN: 5340-01-522-4132
FSC: 5340 — Hardware, Commercial
CAGE: 76385 — MINOR RUBBER CO INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.156 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
special_featuresMANUFACTURER'S NAME- RECESS STYLEBUMPER-ITEM NUMBER 52001; BUMPERS/FEETAVAILABLE WITH OR WITHOUT METAL WASHER;PARTS NRMALLY INSTALLED UTILIZING A MACHINE SCREW
style_designatorPAN TOP COUNTERBORED
end_item_identificationF-22
first_counterbore_depth0.188 INCHES NOMINAL IN
material_hardness_rating75.0 DUROMETER NOMINAL
first_counterbore_diameter0.375 INCHES NOMINAL IN
outside/top_flange_diameter0.938 INCHES NOMINAL IN
NSN5340-01-522-4132
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ZB-1157 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: 0.938 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 75.0 DUROMETER NOMINAL
•
FIRST COUNTERBORE DIAMETER: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PAN TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.188 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.938 INCHES NOMINAL IN
MATERIAL HARDNESS RATING75.0 DUROMETER NOMINAL
FIRST COUNTERBORE DIAMETER0.375 INCHES NOMINAL IN
STYLE DESIGNATORPAN TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.188 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESMANUFACTURER'S NAME- RECESS STYLEBUMPER-ITEM NUMBER 52001; BUMPERS/FEETAVAILABLE WITH OR WITHOUT METAL WASHER;PARTS NRMALLY INSTALLED UTILIZING A MACHINE SCREW
END ITEM IDENTIFICATIONF-22
MATERIALRUBBER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZB-1157?
ZB-1157 is a BUMPER.
What is the NSN for ZB-1157?
ZB-1157 is cataloged in the U.S. Government catalog under NSN 5340-01-522-4132. This indicates validated use in U.S. government and defense supply chains.
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