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2-300-345 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-300-345: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include peripheral_diameter: 1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN, center_hole_diameter: 1.236 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN, cross-sectional_height: 0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-135-4643, 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
2-300-345
NSN: 5330-00-135-4643
FSC: 5330 — Packing and Gasket Materials
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
peripheral_diameter1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN
center_hole_diameter1.236 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN
cross-sectional_height0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
NSN5330-00-135-4643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-300-345 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: 0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.236 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.107 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.408 INCHES MINIMUM AND 1.412 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.236 INCHES MINIMUM AND 1.244 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 3
2-300-345-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CEC3248Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
CEC4-3248Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-300-345?
2-300-345 is a RETAINER,PACKING.
What parts can replace 2-300-345?
There are 3 known substitutes for 2-300-345: 2-300-345-01, CEC3248, CEC4-3248. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-300-345?
2-300-345 is cataloged in the U.S. Government catalog under NSN 5330-00-135-4643. 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.