PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3951800
3951800 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include peripheral_diameter: 0.598 INCHES NOMINAL IN, center_hole_diameter: 0.402 INCHES NOMINAL IN, cross-sectional_height: 0.078 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-384-3449, 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
3951800
NSN: 5330-01-384-3449
FSC: 5330
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
peripheral_diameter0.598 INCHES NOMINAL IN
center_hole_diameter0.402 INCHES NOMINAL IN
cross-sectional_height0.078 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-01-384-3449
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3951800 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 SHAPE STYLE: SQUARE/RECTANGULAR
•
CROSS-SECTIONAL HEIGHT: 0.078 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.402 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 0.598 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.078 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.402 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.598 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PA33KDD3FS37098AInterchangeable
interchangeable cross-reference
interchangeable
PS39518Interchangeable
interchangeable cross-reference
interchangeable
PA33KDD3C1FS37098AInterchangeable
interchangeable cross-reference
interchangeable
51-21-02Interchangeable
interchangeable cross-reference
interchangeable
39518Interchangeable
interchangeable cross-reference
interchangeable
3951Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 3951800?
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 3951800?
3951800 is a RETAINER,PACKING.
What parts can replace 3951800?
There are 7 known substitutes for 3951800: PA33KDD3FS37098A, PS39518, PA33KDD3C1FS37098A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3951800?
3951800 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-384-3449. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3951800

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026