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B501059-1 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B501059-1: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, inside_diameter: 1.580 INCHES NOMINAL IN, outside_diameter: 2.730 INCHES NOMINAL IN, special_features: 4 X 0.204-0.214 THRU HOLES,2.250 BOLT HOLE CENTERS, overall_thickness: 0.250 INCHES NOMINAL IN, end_item_identification: AN/BRR6 UNIT. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-649-6209, 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
B501059-1
NSN: 5365-01-649-6209
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 13030 — LOCKHEED MARTIN SIPPICAN, INC. DIV COMMUNICATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
inside_diameter1.580 INCHES NOMINAL IN
outside_diameter2.730 INCHES NOMINAL IN
special_features4 X 0.204-0.214 THRU HOLES,2.250 BOLT HOLE CENTERS
overall_thickness0.250 INCHES NOMINAL IN
end_item_identificationAN/BRR6 UNIT
part_name_assigned_by_controlling_agencyRETAINER,BEARING TRIDENT
NSN5365-01-649-6209
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN B501059-1 MFR SPACER,RING
KEY FEATURES
•
OUTSIDE DIAMETER: 2.730 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.250 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.580 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.730 INCHES NOMINAL IN
OVERALL THICKNESS0.250 INCHES NOMINAL IN
INSIDE DIAMETER1.580 INCHES NOMINAL IN
SPECIAL FEATURES4 X 0.204-0.214 THRU HOLES,2.250 BOLT HOLE CENTERS
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER,BEARING TRIDENT
END ITEM IDENTIFICATIONAN/BRR6 UNIT
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
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 B501059-1?
B501059-1 is a SPACER,RING.
What is the NSN for B501059-1?
B501059-1 is cataloged in the U.S. Government catalog under NSN 5365-01-649-6209. 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.