PartsTable
Technical Data Sheet
Download PDF

4049 LUP — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4049 LUP: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, seal_width: 0.375 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, construction: SOLID, special_features: TEMPERATURE RATING OF OUTER HEEL COMPOUND IS MINUS 65.0 TO PLUS 350.0 DEGREES FAHRENHEIT, housing_bore_diameter: 3.543 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-233-2939, 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
4049 LUP
NSN: 5330-01-233-2939
FSC: 5330 — Packing and Gasket Materials
CAGE: 75165 — JOHNS MANVILLE INTL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
seal_width0.375 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
constructionSOLID
special_featuresTEMPERATURE RATING OF OUTER HEEL COMPOUND IS MINUS 65.0 TO PLUS 350.0 DEGREES FAHRENHEIT
housing_bore_diameter3.543 INCHES NOMINAL IN
accommodated_shaft_diameter2.232 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-01-233-2939
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4049 LUP 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.543 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 2.232 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
SEAL WIDTH0.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.543 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SPECIAL FEATURESTEMPERATURE RATING OF OUTER HEEL COMPOUND IS MINUS 65.0 TO PLUS 350.0 DEGREES FAHRENHEIT
ACCOMMODATED SHAFT DIAMETER2.232 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL CORROSION RESISTING SPRING
MATERIALASBESTOS AND PLASTIC ACETAL INTERNALLY MOLDED-IN REINFORCEMENT
CONSTRUCTIONSOLID
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 4049 LUP?
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 4049 LUP?
4049 LUP is a SEAL,PLAIN.
What is the NSN for 4049 LUP?
4049 LUP is cataloged in the U.S. Government catalog under NSN 5330-01-233-2939. 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 — 4049 LUP

✓ 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.