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A750156 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A750156: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, hole_diameter: 0.125 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, special_features: A. SCREW TO EXTEND 1/4 IN.

BEYOND BUMPER IN, style_designator: DONUT TOP COUNTERBORED, fastening_device_size: NO. 8-32 MACHINE SCREW TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-431-1114, 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
A750156
NSN: 5340-00-431-1114
FSC: 5340 — Hardware, Commercial
CAGE: 70998 — BIRD ELECTRONIC CORPORATION DIV BIRD ELECTRONIC CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hole_diameter0.125 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
special_featuresA. SCREW TO EXTEND 1/4 IN. BEYOND BUMPER IN
style_designatorDONUT TOP COUNTERBORED
fastening_device_sizeNO. 8-32 MACHINE SCREW TYPE
fastening_device_typeMACHINE SCREW
first_counterbore_depth0.187 INCHES NOMINAL IN
material_hardness_rating65.0 DUROMETER NOMINAL
first_counterbore_diameter0.500 INCHES NOMINAL IN
outside/top_flange_diameter0.875 INCHES NOMINAL IN
NSN5340-00-431-1114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A750156 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: 0.875 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 65.0 DUROMETER NOMINAL
•
FASTENING DEVICE TYPE: MACHINE SCREW
•
FIRST COUNTERBORE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DONUT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.187 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.875 INCHES NOMINAL IN
MATERIAL HARDNESS RATING65.0 DUROMETER NOMINAL
FASTENING DEVICE TYPEMACHINE SCREW
FIRST COUNTERBORE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORDONUT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.187 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESA. SCREW TO EXTEND 1/4 IN. BEYOND BUMPER IN
FASTENING DEVICE SIZENO. 8-32 MACHINE SCREW TYPE
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 A750156?
A750156 is a BUMPER.
What is the NSN for A750156?
A750156 is cataloged in the U.S. Government catalog under NSN 5340-00-431-1114. 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.