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Technical Data Sheet
PartsTable / COMPONENT / 15-155
15-155 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: GLASS PROTECTIVE CRYSTAL, dial_size: 3-1/2 IN DIA IN, bezel_type: SNAP-ON, body_width: 1.656 INCHES MAXIMUM IN, scale_name: FUEL PRESSURE AND ENGINE VACUUM, scale_type: DIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-283-4724, 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
15-155
NSN: 5330-00-283-4724
FSC: 5330
CAGE: 50703 — MIDDLEBY MARSHALL INC CONVEYOR OVENS AND MIXERS DIV (USA)
SPECIFICATIONS
materialGLASS PROTECTIVE CRYSTAL
dial_size3-1/2 IN DIA IN
bezel_typeSNAP-ON
body_width1.656 INCHES MAXIMUM IN
scale_nameFUEL PRESSURE AND ENGINE VACUUM
scale_typeDIAL
body_height2.375 INCHES MAXIMUM IN
body_length1.656 INCHES MAXIMUM IN
scale_range+0.0 TO 30.0 INCHES OF VACUUM AND +0.0 TO 10.0 POUNDS PER SQUARE INCH LBS
pointer_typeINDICATING
adjustabilityNONADJUSTABLE
overall_depth1.125 INCHES NOMINAL IN
NSN5330-00-283-4724
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15-155 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
820-4551674-6Interchangeable
interchangeable cross-reference
interchangeable
15-155-304SSInterchangeable
interchangeable cross-reference
interchangeable
15-155Interchangeable
interchangeable cross-reference
interchangeable
677-0351-00Interchangeable
interchangeable cross-reference
interchangeable
25763Interchangeable
interchangeable cross-reference
interchangeable
PT10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15-155?
15-155 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 15-155?
There are 16 known substitutes for 15-155: 820-4551674-6, 15-155-304SS, 15-155 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15-155?
15-155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-283-4724. 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