PartsTable
Technical Data Sheet
12Z12139-93 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, length_under_shoulder: 1.000 INCHES NOMINAL IN, open_end_inside_diameter: 2.688 INCHES NOMINAL IN, closed_end_overall_diameter: 2.457 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-7263, 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
12Z12139-93
NSN: 5340-00-290-7263
FSC: 5340
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
materialPLASTIC
length_under_shoulder1.000 INCHES NOMINAL IN
open_end_inside_diameter2.688 INCHES NOMINAL IN
closed_end_overall_diameter2.457 INCHES NOMINAL IN
NSN5340-00-290-7263
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12Z12139-93 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
MATERIAL: PLASTIC
LENGTH UNDER SHOULDER: 1.000 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER: 2.688 INCHES NOMINAL IN
CLOSED END OVERALL DIAMETER: 2.457 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
LENGTH UNDER SHOULDER1.000 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER2.688 INCHES NOMINAL IN
CLOSED END OVERALL DIAMETER2.457 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
102C1279-1Upgraded Successor
successor cross-reference
successor
8028447Upgraded Successor
successor cross-reference
successor
353122-4Upgraded Successor
successor cross-reference
successor
MILC52078Upgraded Successor
successor cross-reference
successor
22SUpgraded Successor
successor cross-reference
successor
M5501/7-F38Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 12Z12139-93?
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 12Z12139-93?
12Z12139-93 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 12Z12139-93?
There are 32 known substitutes for 12Z12139-93: 102C1279-1, 8028447, 353122-4 and 29 more. Substitute compatibility should be verified for your specific system.
Is 12Z12139-93 still available?
12Z12139-93 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12Z12139-93