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4026548 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4026548: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.328 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5330-00-111-0739, 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
4026548
NSN: 5330-00-111-0739
NIINs: 001110739, 011350117
FSC: 5330 — Packing and Gasket Materials
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.328 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating33.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED
NSN5330-00-111-0739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4026548 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
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CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 7.125 INCHES NOMINAL IN
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APERTURE DIAMETER: 5.625 INCHES NOMINAL IN
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BOLT HOLE QUANTITY: 6
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BOLT CIRCLE DIAMETER: 6.375 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.125 INCHES NOMINAL IN
APERTURE DIAMETER5.625 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER6.375 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
7402548-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
4026548-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4026548?
4026548 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 4026548?
There are 2 known substitutes for 4026548: 7402548-3, 4026548-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 4026548?
4026548 is cataloged in the U.S. Government catalog under NSN 5330-00-111-0739. This indicates validated use in U.S. government and defense supply chains.
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