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RU51085 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RU51085: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include length_under_shoulder: 0.875 INCHES NOMINAL IN, open_end_inside_diameter: 1.402 INCHES NOMINAL IN, closed_end_overall_diameter: 1.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-290-7249, 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
RU51085
NSN: 5340-00-290-7249
FSC: 5340 — Hardware, Commercial
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
length_under_shoulder0.875 INCHES NOMINAL IN
open_end_inside_diameter1.402 INCHES NOMINAL IN
closed_end_overall_diameter1.312 INCHES NOMINAL IN
NSN5340-00-290-7249
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RU51085 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: 1.312 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.875 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 1.402 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER1.312 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.875 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER1.402 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
16Reference document
Same NSN cross-reference
Reference document — Secondary reference
SIZE16Reference document
Same NSN cross-reference
Reference document — Secondary reference
917965-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
113B2208P6Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILC52078Reference document
Same NSN cross-reference
Reference document — Secondary reference
PE3416Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RU51085?
RU51085 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace RU51085?
There are 8 known substitutes for RU51085: 16, SIZE16, 917965-6 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RU51085?
RU51085 is cataloged in the U.S. Government catalog under NSN 5340-00-290-7249. This indicates validated use in U.S. government and defense supply chains.
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