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2AT899 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2AT899: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include peripheral_diameter: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, center_hole_diameter: 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, cross-sectional_height: 0.005 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-167-3323, 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
2AT899
NSN: 5330-01-167-3323
FSC: 5330 — Packing and Gasket Materials
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
peripheral_diameter0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
center_hole_diameter0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
cross-sectional_height0.005 INCHES NOMINAL IN
NSN5330-01-167-3323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2AT899 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
•
CROSS-SECTIONAL HEIGHT: 0.005 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.005 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
012607 PIECE 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2AT899?
2AT899 is a RETAINER,PACKING.
What parts can replace 2AT899?
There is 1 known substitute for 2AT899: 012607 PIECE 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AT899?
2AT899 is cataloged in the U.S. Government catalog under NSN 5330-01-167-3323. 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.