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4400591-1300CP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4400591-1300CP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, special_features: CLEAN IAW MIL-STD-1330. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-235-4329, 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
4400591-1300CP
NSN: 5331-01-235-4329
NIINs: 012354329, 014446245
FSC: 5331 — O-ring
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
special_featuresCLEAN IAW MIL-STD-1330
NSN5331-01-235-4329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4400591-1300CP 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: 0.103 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CENTER HOLE DIAMETER: 1.612 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
CENTER HOLE DIAMETER1.612 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 1
4400591-1300Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4400591-1300CP?
4400591-1300CP is a O-RING.
What parts can replace 4400591-1300CP?
There is 1 known substitute for 4400591-1300CP: 4400591-1300. Substitute compatibility should be verified for your specific system.
What is the NSN for 4400591-1300CP?
4400591-1300CP is cataloged in the U.S. Government catalog under NSN 5331-01-235-4329. 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.