PartsTable
Technical Data Sheet
Download PDF

576601 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

576601: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, end_item_identification: PVH57/63 VARIABLE DISPLACEMENT PISTON PUMP. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-407-3466, 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
576601
NSN: 5331-01-407-3466
NIINs: 014073466, 015227353
FSC: 5331 — O-ring
CAGE: 79597 — VICKERS & ASSOCIATES, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
end_item_identificationPVH57/63 VARIABLE DISPLACEMENT PISTON PUMP
NSN5331-01-407-3466
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 576601 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
SUBSTITUTES & CROSS-REFERENCES 1
2HD639Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 576601?
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 576601?
576601 is a O-RING.
What parts can replace 576601?
There is 1 known substitute for 576601: 2HD639. Substitute compatibility should be verified for your specific system.
What is the NSN for 576601?
576601 is cataloged in the U.S. Government catalog under NSN 5331-01-407-3466. 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 — 576601

✓ 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.