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DS-938961 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DS-938961: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include overall_height: 0.140 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN, mounting_hole_diameter: 0.187 INCHES NOMINAL IN, end_item_identification: CH-53K, part_name_assigned_by_controlling_agency: SHIM, CAM STOP, distance_between_mounting_facility_centers: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-723-7256, 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
DS-938961
NSN: 5340-01-723-7256
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
overall_height0.140 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
mounting_hole_diameter0.187 INCHES NOMINAL IN
end_item_identificationCH-53K
part_name_assigned_by_controlling_agencySHIM, CAM STOP
distance_between_mounting_facility_centers1.250 INCHES NOMINAL IN
NSN5340-01-723-7256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DS-938961 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
•
MOUNTING HOLE DIAMETER: 0.187 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.140 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.187 INCHES NOMINAL IN
OVERALL LENGTH1.625 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSHIM, CAM STOP
END ITEM IDENTIFICATIONCH-53K
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DS-938961?
DS-938961 is a BUMPER.
What is the NSN for DS-938961?
DS-938961 is cataloged in the U.S. Government catalog under NSN 5340-01-723-7256. 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.