PartsTable
Technical Data Sheet
Download PDF

840W — CUP,SUCTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

840W: CUP,SUCTION.

The CUP,SUCTION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, cup_height: 0.687 INCHES NOMINAL IN, cup_diameter: 1.312 INCHES NOMINAL IN, special_features: 60 DUROMETER RATING SYNTHETIC RUBBER; SIZE DESIGNATION: 8-32, attachment_device_type: MACHINE SCREW, attachment_device_design: FEMALE INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-434-6845, 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
840W
NSN: 5340-00-434-6845
FSC: 5340 — Hardware, Commercial
CAGE: 70485 — ATLANTIC INDIA RUBBER CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
cup_height0.687 INCHES NOMINAL IN
cup_diameter1.312 INCHES NOMINAL IN
special_features60 DUROMETER RATING SYNTHETIC RUBBER; SIZE DESIGNATION: 8-32
attachment_device_typeMACHINE SCREW
attachment_device_designFEMALE INSERT
NSN5340-00-434-6845
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 840W 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
•
ATTACHMENT DEVICE TYPE: MACHINE SCREW
•
ATTACHMENT DEVICE DESIGN: FEMALE INSERT
•
CUP DIAMETER: 1.312 INCHES NOMINAL IN
•
CUP HEIGHT: 0.687 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
ATTACHMENT DEVICE TYPEMACHINE SCREW
ATTACHMENT DEVICE DESIGNFEMALE INSERT
CUP DIAMETER1.312 INCHES NOMINAL IN
CUP HEIGHT0.687 INCHES NOMINAL IN
SPECIAL FEATURES60 DUROMETER RATING SYNTHETIC RUBBER; SIZE DESIGNATION: 8-32
MATERIALCOPPER ALLOY
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
Ready to buy 840W?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 840W?
840W is a CUP,SUCTION.
What is the NSN for 840W?
840W is cataloged in the U.S. Government catalog under NSN 5340-00-434-6845. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 840W

✓ 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.