PartsTable
Technical Data Sheet
Download PDF

SC1374 — CUP,SUCTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SC1374: CUP,SUCTION.

The CUP,SUCTION is a the manufacturer industrial component. Key specifications include cup_height: 0.750 INCHES NOMINAL IN, cup_diameter: 1.380 INCHES NOMINAL IN, special_features: ATTACHMENT DEVICE INCLUDED; SIZE DESIGNATION: SIZE 8-32, attachment_device_design: MALE, attachment_device_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-033-1437, 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
SC1374
NSN: 5340-01-033-1437
FSC: 5340 — Hardware, Commercial
CAGE: 73801 — GREENE RUBBER COMPANY, INC. (USA)
SPECIFICATIONS
cup_height0.750 INCHES NOMINAL IN
cup_diameter1.380 INCHES NOMINAL IN
special_featuresATTACHMENT DEVICE INCLUDED; SIZE DESIGNATION: SIZE 8-32
attachment_device_designMALE
attachment_device_length0.250 INCHES NOMINAL IN
NSN5340-01-033-1437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SC1374 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 DESIGN: MALE
•
ATTACHMENT DEVICE LENGTH: 0.250 INCHES NOMINAL IN
•
CUP DIAMETER: 1.380 INCHES NOMINAL IN
•
CUP HEIGHT: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ATTACHMENT DEVICE DESIGNMALE
ATTACHMENT DEVICE LENGTH0.250 INCHES NOMINAL IN
CUP DIAMETER1.380 INCHES NOMINAL IN
CUP HEIGHT0.750 INCHES NOMINAL IN
SPECIAL FEATURESATTACHMENT DEVICE INCLUDED; SIZE DESIGNATION: SIZE 8-32
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 1
21016236-101Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SC1374?
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 SC1374?
SC1374 is a CUP,SUCTION.
What parts can replace SC1374?
There is 1 known substitute for SC1374: 21016236-101. Substitute compatibility should be verified for your specific system.
What is the NSN for SC1374?
SC1374 is cataloged in the U.S. Government catalog under NSN 5340-01-033-1437. 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 — SC1374

✓ 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.