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550759 — BEARING,NEEDLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

550759: BEARING,NEEDLE.

The BEARING,NEEDLE is a the manufacturer industrial component. Key specifications include end_item_identification: TRACTOR,WHEELED,AIRCRAFT TOWING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-062-3739, 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
550759
NSN: 5310-00-062-3739
NIINs: 000623739, 015293488
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationTRACTOR,WHEELED,AIRCRAFT TOWING
NSN5310-00-062-3739
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 550759 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: RECESSED
•
OUTSIDE DIAMETER: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
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RECESS DEPTH: 0.040 INCHES NOMINAL IN
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MATERIAL THICKNESS: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.100 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
RECESS DEPTH0.040 INCHES NOMINAL IN
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.380 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 550759?
550759 is a BEARING,NEEDLE.
What is the NSN for 550759?
550759 is cataloged in the U.S. Government catalog under NSN 5310-00-062-3739. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.