PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5566Spacer,ring

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5365-01-306-5894 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-306-5894 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-306-5894. Primary manufacturer part number: 5566.
Features
  • Spacer,ring — FSC 5365
  • 2 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-306-5894, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,ring
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersHowell Laboratories Inc Dba Howell Laboratories Inc (CAGE 22501)
Technical Specifications
ParameterValue
NSN5365-01-306-5894
Primary Part Number5566
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-231-3235 INTERCHANGEABLE
O-Ring
5935-00-259-3336 INTERCHANGEABLE
Connector,receptacle,electrical
3020-00-361-63425566 INTERCHANGEABLE
Gear,spur
Cummins Inc.
5998-01-048-3769 INTERCHANGEABLE
Circuit Card Assembly
9540-01-072-1176 INTERCHANGEABLE
Angle,structural
4730-01-195-380660UA06X06 INTERCHANGEABLE
Elbow,pipe
Aerocontrolex Group, Inc. Div Talley Actuators
5120-01-399-9704 INTERCHANGEABLE
Socket,socket Wrench
6540-01-558-776512500-DY INTERCHANGEABLE
Ophthalmoscope
Welch Allyn, Inc.
2590-01-570-97205566 INTERCHANGEABLE
Bracket,vehicular Components
Festo (pty) Ltd
Cross-Reference Index
Part NumberManufacturer
5508 ITEM 6 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
5566 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5331-00-231-3235INTERCHANGEABLE
O-RING
5935-00-259-3336INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3020-00-361-6342INTERCHANGEABLE
GEAR,SPUR
5566
5998-01-048-3769INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9540-01-072-1176INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-01-195-3806INTERCHANGEABLE
ELBOW,PIPE
60UA06X06
5120-01-399-9704INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6540-01-558-7765INTERCHANGEABLE
OPHTHALMOSCOPE
12500-DY
2590-01-570-9720INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
5566

Frequently Asked Questions

What is NSN 5365-01-306-5894?

NSN 5365-01-306-5894 is a Spacer,ring, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-306-5894?

NSN 5365-01-306-5894 has 2 cross-referenced part numbers: 5508 ITEM 6 (Howell Laboratories Inc Dba Howell Laboratories Inc), 5566 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 5365-01-306-5894?

There are 9 known substitutes for 5365-01-306-5894: 5331-00-231-3235, 5935-00-259-3336, 3020-00-361-6342 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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