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PartsTable / COMPONENT / PK5237
PK5237 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.125 INCHES NOMINAL IN, outside_diameter: 1.128 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 1.124 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-292-1588, 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
PK5237
NSN: 5330-00-292-1588
FSC: 5330
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.125 INCHES NOMINAL IN
outside_diameter1.128 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter1.124 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.594 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-292-1588
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PK5237 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: 0.125 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
OUTSIDE DIAMETER: 1.128 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.124 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 0.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.125 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
OUTSIDE DIAMETER1.128 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.124 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER0.594 INCHES NOMINAL IN
MATERIALSTEEL CASE
CASE STYLESQUARE
SURFACE TREATMENTPLASTIC CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
C402G200Interchangeable
interchangeable cross-reference
interchangeable
C402G400Interchangeable
interchangeable cross-reference
interchangeable
7760-SSSInterchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/1667Interchangeable
interchangeable cross-reference
interchangeable
DMS 81051BInterchangeable
interchangeable cross-reference
interchangeable
5946Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PK5237?
PK5237 is a SEAL,PLAIN ENCASED.
What parts can replace PK5237?
There are 15 known substitutes for PK5237: C402G200, C402G400, 7760-SSS and 12 more. Substitute compatibility should be verified for your specific system.
Is PK5237 still available?
PK5237 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026