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SIZE11 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SIZE11: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. This part is cataloged in the U.S. Government catalog under NSN 5340-00-264-1203, 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
SIZE11
NSN: 5340-00-264-1203
NIINs: 002641203, 015314854, 015314857
FSC: 5340 — Hardware, Commercial
CAGE: 95760 — PROTECTIVE CLOSURES CO INC (USA)
SPECIFICATIONS
special_features16 INCH ECONOMY PVC KNEE BOOT; STEEL TOE; BLACK COLOR; SELF CLEANING SOLES; DURABLE KNEE BOOT FOR USE IN WET, MUDDY CONDITIONS WHERE CHEMICAL RESISTANCE IS NOT A FACTOR; SIZE: 11 IN
NSN5340-00-264-1203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SIZE11 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: 0.911 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.740 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 0.802 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER0.911 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.740 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER0.802 INCHES NOMINAL IN
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES 4
MILC52078Reference document
Same NSN cross-reference
Reference document — Secondary reference
RU51089Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
212Reference document
Same NSN cross-reference
Reference document — Secondary reference
11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SIZE11?
SIZE11 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace SIZE11?
There are 4 known substitutes for SIZE11: MILC52078, RU51089, 212 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SIZE11?
SIZE11 is cataloged in the U.S. Government catalog under NSN 5340-00-264-1203. 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.