PartsTable
Technical Data Sheet
Download PDF

142598 — INSULATOR,STANDOFF

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

142598: INSULATOR,STANDOFF.

The INSULATOR,STANDOFF is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL, case_style: SQUARE, seal_width: 0.532 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-082-1886, 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
142598
NSN: 5330-00-082-1886
NIINs: 000821886, 002810920
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialPLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL
case_styleSQUARE
seal_width0.532 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
first_hole_spacing0.250 INCHES NOMINAL IN
third_hole_spacing0.250 INCHES NOMINAL IN
first_hole_diameter0.193 INCHES NOMINAL IN
second_hole_spacing1.500 INCHES NOMINAL IN
second_hole_diameter0.218 INCHES NOMINAL IN
housing_bore_diameter3.750 INCHES NOMINAL IN
NSN5330-00-082-1886
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 142598 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: 0.532 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 3.750 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.532 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER3.750 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.750 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT A
MATERIALRUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 142598?
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 142598?
142598 is a INSULATOR,STANDOFF.
What is the NSN for 142598?
142598 is cataloged in the U.S. Government catalog under NSN 5330-00-082-1886. 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 — 142598

✓ 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.