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Technical Data Sheet
PartsTable / COMPONENT / 138544
138544 ✓ 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 CLEVIS,ROD END is a the manufacturer industrial component. Key specifications include hole_diameter: 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CHROMATE OVERALL, material_thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-235-2370, 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
138544
NSN: 5340-00-235-2370
FSC: 5340
CAGE: 24821 — ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
hole_diameter0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCHROMATE OVERALL
material_thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
end_item_identificationMRAP RG-33; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationNAS-90725 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-00-235-2370
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 138544 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
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) ROD CONNECTION
•
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CHROMATE OVERALL
•
FORK DEPTH: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CLEVIS
•
THREAD LENGTH: 0.875 INCHES NOMINAL ROD CONNECTION IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ROD CONNECTION
OVERALL WIDTH0.562 INCHES NOMINAL IN
SHANK DIAMETER0.375 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE OVERALL
FORK DEPTH0.625 INCHES NOMINAL IN
STYLE DESIGNATORCLEVIS
THREAD LENGTH0.875 INCHES NOMINAL ROD CONNECTION IN
MATERIALSTEEL OVERALL
ANGLE45.0 DEGREES NOMINAL
ANGLE HEIGHT0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
PE56AInterchangeable
interchangeable cross-reference
interchangeable
1220-00Interchangeable
interchangeable cross-reference
interchangeable
801708Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138544?
138544 is a CLEVIS,ROD END.
What parts can replace 138544?
There are 3 known substitutes for 138544: PE56A, 1220-00, 801708. Substitute compatibility should be verified for your specific system.
What is the NSN for 138544?
138544 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-235-2370. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026