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7550478-DF330613-087CP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7550478-DF330613-087CP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, center_hole_diameter: 5.725 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN, end_item_identification: VALVE, HULL/BACKUP 2.000 IPS CU NI., criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-550-4825, 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
7550478-DF330613-087CP
NSN: 5331-01-550-4825
FSC: 5331 — O-ring
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
center_hole_diameter5.725 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
end_item_identificationVALVE, HULL/BACKUP 2.000 IPS CU NI.
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
NSN5331-01-550-4825
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7550478-DF330613-087CP 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: 0.275 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CENTER HOLE DIAMETER: 5.725 INCHES NOMINAL IN
•
MATERIAL: PLASTIC FLUOROCARBON
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.275 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
CENTER HOLE DIAMETER5.725 INCHES NOMINAL IN
END ITEM IDENTIFICATIONVALVE, HULL/BACKUP 2.000 IPS CU NI.
MATERIALPLASTIC FLUOROCARBON
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.
SUBSTITUTES & CROSS-REFERENCES 9
G547-0002-DF330613-087Reference document
Same NSN cross-reference
Reference document — Secondary reference
DF330613 FIND NO 87CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF330613 FIND NO 87Reference document
Same NSN cross-reference
Reference document — Secondary reference
801-6408529 FIND NO 87Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83248/1-435Reference document
Same NSN cross-reference
Reference document — Secondary reference
H547-0001-DF330613-97-87Reference 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 7550478-DF330613-087CP?
7550478-DF330613-087CP is a O-RING.
What parts can replace 7550478-DF330613-087CP?
There are 9 known substitutes for 7550478-DF330613-087CP: G547-0002-DF330613-087, DF330613 FIND NO 87CP, DF330613 FIND NO 87 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7550478-DF330613-087CP?
7550478-DF330613-087CP is cataloged in the U.S. Government catalog under NSN 5331-01-550-4825. 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.