PartsTable
Technical Data Sheet
Download PDF

12339996 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12339996: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER, design_type: FRICTION, overall_diameter: 3.400 INCHES NOMINAL IN, tube_outside_diameter_for_which_designed: 2.800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-197-2382, 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
12339996
NSN: 5340-01-197-2382
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER
design_typeFRICTION
overall_diameter3.400 INCHES NOMINAL IN
tube_outside_diameter_for_which_designed2.800 INCHES NOMINAL IN
NSN5340-01-197-2382
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12339996 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 3.400 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.800 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER3.400 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.800 INCHES NOMINAL IN
MATERIALRUBBER
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 4
05582691Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0-638A5Reference document
Same NSN cross-reference
Reference document — Secondary reference
5582691Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL0826627Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 12339996?
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 12339996?
12339996 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 12339996?
There are 4 known substitutes for 12339996: 05582691, 0-638A5, 5582691 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12339996?
12339996 is cataloged in the U.S. Government catalog under NSN 5340-01-197-2382. 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 — 12339996

✓ 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.