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HP1937S83 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 3.094 INCHES NOMINAL IN, material: STEEL COMP 1010, outside_diameter: 1.938 INCHES NOMINAL IN, material_thickness: 0.083 INCHES NOMINAL IN, material_document_and_classification: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-054-1413, 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
HP1937S83
NSN: 5340-00-054-1413
FSC: 5340
CAGE: 73287 — HUBBARD M D SPRING CO INC (USA)
SPECIFICATIONS
radius3.094 INCHES NOMINAL IN
materialSTEEL COMP 1010
outside_diameter1.938 INCHES NOMINAL IN
material_thickness0.083 INCHES NOMINAL IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-054-1413
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HP1937S83 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 1.938 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010
•
RADIUS: 3.094 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.083 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER1.938 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010
RADIUS3.094 INCHES NOMINAL IN
MATERIAL THICKNESS0.083 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
BB25189Interchangeable
interchangeable cross-reference
interchangeable
113955Interchangeable
interchangeable cross-reference
interchangeable
A12419Interchangeable
interchangeable cross-reference
interchangeable
101-00500Interchangeable
interchangeable cross-reference
interchangeable
MS28775-010Interchangeable
interchangeable cross-reference
interchangeable
58-010-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HP1937S83?
HP1937S83 is a PLUG,EXPANSION.
What parts can replace HP1937S83?
There are 9 known substitutes for HP1937S83: BB25189, 113955, A12419 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HP1937S83?
HP1937S83 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-054-1413. 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