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Technical Data Sheet
7340158 ✓ 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: 5.250 INCHES NOMINAL IN, material: STEEL COMP 1020, outside_diameter: 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN, style_designator: CONCAVE, material_thickness: 0.062 INCHES NOMINAL IN, material_document_and_classification: 66 FED 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 5340-00-734-0158, 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
7340158
NSN: 5340-00-734-0158
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
radius5.250 INCHES NOMINAL IN
materialSTEEL COMP 1020
outside_diameter3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.062 INCHES NOMINAL IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE
NSN5340-00-734-0158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7340158 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 THICKNESS: 0.062 INCHES NOMINAL IN
MATERIAL: STEEL COMP 1020
OUTSIDE DIAMETER: 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN
RADIUS: 5.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR: CONCAVE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
MATERIALSTEEL COMP 1020
OUTSIDE DIAMETER3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM IN
RADIUS5.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORCONCAVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5KSP51GL582Upgraded Successor
successor cross-reference
successor
5821Upgraded Successor
successor cross-reference
successor
3M474Upgraded Successor
successor cross-reference
successor
73813Interchangeable
interchangeable cross-reference
interchangeable
1D4271Interchangeable
interchangeable cross-reference
interchangeable
52-33-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7340158?
7340158 is a PLUG,EXPANSION.
What parts can replace 7340158?
There are 9 known substitutes for 7340158: 5KSP51GL582, 5821, 3M474 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7340158?
7340158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-734-0158. This indicates validated use in U.S. government and defense supply chains.
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