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155-831 — COVER,HAND STARTER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

155-831: COVER,HAND STARTER.

The COVER,HAND STARTER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.250 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 1.627 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.187 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-808-0047, 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
155-831
NSN: 5330-00-808-0047
NIINs: 008080047, 011691889
FSC: 5330 — Packing and Gasket Materials
CAGE: 02246 — THE CHARLES MACHINE WORKS INC DBA DITCH WITCH (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.250 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter1.627 INCHES NOMINAL IN
accommodated_shaft_diameter1.187 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-808-0047
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 155-831 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: 0.250 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.627 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.187 INCHES NOMINAL IN
•
MATERIAL: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.627 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER1.187 INCHES NOMINAL IN
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 4
103136Reference document
Same NSN cross-reference
Reference document — Secondary reference
340817Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
501-1517306Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MC-1187Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 155-831?
155-831 is a COVER,HAND STARTER.
What parts can replace 155-831?
There are 4 known substitutes for 155-831: 103136, 340817, 501-1517306 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 155-831?
155-831 is cataloged in the U.S. Government catalog under NSN 5330-00-808-0047. 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.