PartsTable
Technical Data Sheet
Download PDF

3-31A — ROD,GROUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-31A: ROD,GROUND.

The ROD,GROUND is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: STEEL, ring_style: CONTRACTING CONCENTRIC, joint_style: INTERLOCKING JOINT, overall_width: 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN, inside_diameter: 0.937 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-593-1068, 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
3-31A
NSN: 5330-00-593-1068
NIINs: 005931068, 009137711, 013204752
FSC: 5330 — Packing and Gasket Materials
CAGE: 08018 — BORG-WARNER CORP (USA)
SPECIFICATIONS
phaseSINGLE
materialSTEEL
ring_styleCONTRACTING CONCENTRIC
joint_styleINTERLOCKING JOINT
overall_width0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
inside_diameter0.937 INCHES NOMINAL IN
frequency_rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
ac_voltage_rating115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
surface_treatmentOXIDE OVERALL
radial_wall_thickness0.0370 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN
supplementary_featuresMEASURE TOTAL DISTORTION DOWN TO 0.1 PCT FULL SCALE AT ANY FREQUENCY BETWEEN 5 HZ TO 600 KILOHZ
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-593-1068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-31A 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: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: INTERLOCKING JOINT
•
INSIDE DIAMETER: 0.937 INCHES NOMINAL IN
•
RADIAL WALL THICKNESS: 0.0370 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN
•
RING STYLE: CONTRACTING CONCENTRIC
•
SURFACE TREATMENT: OXIDE OVERALL
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEINTERLOCKING JOINT
INSIDE DIAMETER0.937 INCHES NOMINAL IN
RADIAL WALL THICKNESS0.0370 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN
RING STYLECONTRACTING CONCENTRIC
SURFACE TREATMENTOXIDE OVERALL
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
156344R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
133237Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 3-31A?
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 3-31A?
3-31A is a ROD,GROUND.
What parts can replace 3-31A?
There are 2 known substitutes for 3-31A: 156344R1, 133237. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-31A?
3-31A is cataloged in the U.S. Government catalog under NSN 5330-00-593-1068. 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 — 3-31A