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SERUR33-5 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SERUR33-5: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include length_under_shoulder: 0.156 INCHES NOMINAL IN, open_end_inside_diameter: 2.898 INCHES MINIMUM AND 2.914 INCHES MAXIMUM IN, closed_end_overall_diameter: 1.970 INCHES MINIMUM AND 1.986 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-439-5874, 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
SERUR33-5
NSN: 5340-01-439-5874
FSC: 5340 — Hardware, Commercial
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
length_under_shoulder0.156 INCHES NOMINAL IN
open_end_inside_diameter2.898 INCHES MINIMUM AND 2.914 INCHES MAXIMUM IN
closed_end_overall_diameter1.970 INCHES MINIMUM AND 1.986 INCHES MAXIMUM IN
NSN5340-01-439-5874
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SERUR33-5 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
•
CLOSED END OVERALL DIAMETER: 1.970 INCHES MINIMUM AND 1.986 INCHES MAXIMUM IN
•
LENGTH UNDER SHOULDER: 0.156 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 2.898 INCHES MINIMUM AND 2.914 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER1.970 INCHES MINIMUM AND 1.986 INCHES MAXIMUM IN
LENGTH UNDER SHOULDER0.156 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER2.898 INCHES MINIMUM AND 2.914 INCHES MAXIMUM IN
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
KIT6167Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SERUR33-5?
SERUR33-5 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace SERUR33-5?
There is 1 known substitute for SERUR33-5: KIT6167. Substitute compatibility should be verified for your specific system.
What is the NSN for SERUR33-5?
SERUR33-5 is cataloged in the U.S. Government catalog under NSN 5340-01-439-5874. 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.