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Technical Data Sheet
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30214-1 — Technical Data Sheet

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— · 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 SEMICONDUCTOR DEVICE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, inside_diameter: 1.890 INCHES NOMINAL IN, major_components: DIODE 2; HEAT SHRINK TUBE 1, outside_diameter: 1.375 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.179 INCHES MINIMUM AND 1.194 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5330-00-949-9274, 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
30214-1
NSN: 5330-00-949-9274
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
inside_diameter1.890 INCHES NOMINAL IN
major_componentsDIODE 2; HEAT SHRINK TUBE 1
outside_diameter1.375 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.179 INCHES MINIMUM AND 1.194 INCHES MAXIMUM IN
overall_thickness0.0025 INCHES MINIMUM AND 0.0035 INCHES MAXIMUM IN
precious_materialSILVER
surface_treatmentSILVER OVERALL
fsc_application_dataDIFFERENTIAL,DRIVING AXLE,VEHICULAR
cross-sectional_thickness0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
cross-sectional_shape_styleHOLLOW
NSN5330-00-949-9274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30214-1 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
•
APERTURE DIAMETER: 1.179 INCHES MINIMUM AND 1.194 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 321 OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
•
PRECIOUS MATERIAL AND LOCATION: EXTERNAL SURFACES SILVER
•
PRECIOUS MATERIAL: SILVER
•
OUTSIDE DIAMETER: 1.375 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
APERTURE DIAMETER1.179 INCHES MINIMUM AND 1.194 INCHES MAXIMUM IN
MATERIALSTEEL COMP 321 OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW
PRECIOUS MATERIAL AND LOCATIONEXTERNAL SURFACES SILVER
PRECIOUS MATERIALSILVER
OUTSIDE DIAMETER1.375 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MS9375-051InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-AS9375InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS9375-029InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS9375-027InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D83C99InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
318139InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30214-1?
30214-1 is a SEMICONDUCTOR DEVICE ASSEMBLY.
What parts can replace 30214-1?
There are 18 known substitutes for 30214-1: MS9375-051, SAE-AS9375, MS9375-029 and 15 more. Substitute compatibility should be verified for your specific system.
Is 30214-1 still available?
30214-1 is currently cancelled.
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Last verified: September 2026