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723898-901 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

723898-901: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL, hole_diameter: 0.220 INCHES NOMINAL IN, overall_height: 0.750 INCHES NOMINAL IN, style_designator: DONUT TOP COUNTERBORED, first_counterbore_depth: 0.313 INCHES NOMINAL IN, first_counterbore_diameter: 0.310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-889-3263, 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
723898-901
NSN: 5340-00-889-3263
FSC: 5340 — Hardware, Commercial
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialRUBBER NATURAL
hole_diameter0.220 INCHES NOMINAL IN
overall_height0.750 INCHES NOMINAL IN
style_designatorDONUT TOP COUNTERBORED
first_counterbore_depth0.313 INCHES NOMINAL IN
first_counterbore_diameter0.310 INCHES NOMINAL IN
outside/top_flange_diameter0.880 INCHES NOMINAL IN
NSN5340-00-889-3263
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 723898-901 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: 0.880 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.310 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DONUT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.313 INCHES NOMINAL IN
•
MATERIAL: RUBBER NATURAL
•
HOLE DIAMETER: 0.220 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.750 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.880 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.310 INCHES NOMINAL IN
STYLE DESIGNATORDONUT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.313 INCHES NOMINAL IN
MATERIALRUBBER NATURAL
HOLE DIAMETER0.220 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
6259-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1700AS969Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 723898-901?
723898-901 is a BUMPER.
What parts can replace 723898-901?
There are 2 known substitutes for 723898-901: 6259-2, 1700AS969. Substitute compatibility should be verified for your specific system.
What is the NSN for 723898-901?
723898-901 is cataloged in the U.S. Government catalog under NSN 5340-00-889-3263. 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.