PartsTable
Technical Data Sheet
Download PDF

13211687 — 13211687

✓ Government record, cited
US ARMY AVIATION AND MISSILE COMMAND · ORING SEAL
PRODUCT OVERVIEW

13211687: 13211687.

The 13211687 is a US ARMY AVIATION AND MISSILE COMMAND industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-453-8256, 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
13211687
NSN: 5340-01-453-8256
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
Part Number13211687
ManufacturerUS ARMY AVIATION AND MISSILE COMMAND
NSN5340-01-453-8256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 13211687 MFR: US ARMY AVIATION AND MISSILE COMMAND ⚠ 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
•
OUTSIDE/TOP FLANGE DIAMETER: 8.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM
•
MATERIAL HARDNESS RATING: 30.0 SHORE DUROMETER A NOMINAL
•
HOLE DEPTH: 9.1 MILLIMETERS MINIMUM AND 11.0 MILLIMETERS MAXIMUM MM
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
HOLE DIAMETER: 2.8 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT15.9 MILLIMETERS NOMINAL MM
OUTSIDE/TOP FLANGE DIAMETER8.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM
MATERIAL HARDNESS RATING30.0 SHORE DUROMETER A NOMINAL
HOLE DEPTH9.1 MILLIMETERS MINIMUM AND 11.0 MILLIMETERS MAXIMUM MM
STYLE DESIGNATORFLAT RECESSED TOP
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALRUBBER CHLOROPRENE CLASS CR
HOLE DIAMETER2.8 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 13211687?
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 13211687?
13211687 is a 13211687 manufactured by US ARMY AVIATION AND MISSILE COMMAND.
What is the NSN for 13211687?
13211687 is cataloged in the U.S. Government catalog under NSN 5340-01-453-8256. 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 — 13211687

✓ 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.