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30F74 — BEARING UNIT,BALL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

30F74: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 2.7500 INCHES NOMINAL IN, bore_diameter: 2.4375 INCHES NOMINAL IN, housing_width: 9.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-080-4082, 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
30F74
NSN: 5330-00-080-4082
NIINs: 000804082, 002273154
FSC: 5330 — Packing and Gasket Materials
CAGE: 61178 — TUTHILL CORPORATION DBA TUTHILL PUMP GROUP (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length2.7500 INCHES NOMINAL IN
bore_diameter2.4375 INCHES NOMINAL IN
housing_width9.5000 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.8750 INCHES NOMINAL IN
housing_height5.5625 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
NSN5330-00-080-4082
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30F74 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
•
CROSS-SECTIONAL THICKNESS: 0.015 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-L-201. TY D FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 1.713 INCHES MINIMUM AND 1.718 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: LEAD OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.015 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-L-201. TY D FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER1.713 INCHES MINIMUM AND 1.718 INCHES MAXIMUM IN
APERTURE DIAMETER1.500 INCHES NOMINAL IN
MATERIALLEAD OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
20731-C DET NO 10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30F74?
30F74 is a BEARING UNIT,BALL.
What parts can replace 30F74?
There is 1 known substitute for 30F74: 20731-C DET NO 10. Substitute compatibility should be verified for your specific system.
What is the NSN for 30F74?
30F74 is cataloged in the U.S. Government catalog under NSN 5330-00-080-4082. This indicates validated use in U.S. government and defense supply chains.
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