PartsTable
Technical Data Sheet
Download PDF

031857 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

031857: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL, drawer_inside_width: 30.0 MILLIMETERS MM, part_name_assigned_by_controlling_agency: CABINET LABORATORY CAPACITY 3000 CASSETTES (1) PER PACKAGE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-852-8009, 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
031857
NSN: 5330-00-852-8009
NIINs: 008528009, 015158767
FSC: 5330 — Packing and Gasket Materials
CAGE: 81118 — EATON CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
drawer_quantity8
drawer_inside_width30.0 MILLIMETERS MM
part_name_assigned_by_controlling_agencyCABINET LABORATORY CAPACITY 3000 CASSETTES (1) PER PACKAGE
NSN5330-00-852-8009
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 031857 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
•
SEAL WIDTH: 0.750 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.187 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.750 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.187 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 4
650851Reference document
Same NSN cross-reference
Reference document — Secondary reference
50994R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
6854SReference document
Same NSN cross-reference
Reference document — Secondary reference
29893Reference 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
Ready to buy 031857?
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 031857?
031857 is a SEAL,PLAIN ENCASED.
What parts can replace 031857?
There are 4 known substitutes for 031857: 650851, 50994R91, 6854S and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 031857?
031857 is cataloged in the U.S. Government catalog under NSN 5330-00-852-8009. 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 — 031857

✓ 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.