PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-763900Ring,lock,keyed

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5365-01-407-4751 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-407-4751 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-407-4751. Primary manufacturer part number: SM-B-763900.
Features
  • Ring,lock,keyed — FSC 5365
  • Material: STEEL COMP 303
  • Surface Treatment: PASSIVATE
  • Key Width: 0.0620 INCHES NOMINAL IN
  • Inside Diameter: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN
  • Key Length: 0.0475 INCHES NOMINAL IN
  • Overall Outside Diameter: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • 2 verified cross-references
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Ring,lock,keyed, cataloged under National Stock Number 5365-01-407-4751, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-407-4751
Primary Part NumberSM-B-763900
Item NameRing,lock,keyed
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
MaterialSTEEL COMP 303
Surface TreatmentPASSIVATE
Key Width0.0620 INCHES NOMINAL IN
Inside Diameter0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN
Key Length0.0475 INCHES NOMINAL IN
Overall Outside Diameter0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-217-282919048 INTERCHANGEABLE
Expansion Joint,pipe
Senior Operations Llc Div Senior Flexonics Pathway
Cross-Reference Index
Part NumberManufacturer
SM-B-763900 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
190-481 Cmc Electronics Inc (CAN)
Related Parts
4730-01-217-2829INTERCHANGEABLE
EXPANSION JOINT,PIPE
19048

Frequently Asked Questions

What is NSN 5365-01-407-4751?

NSN 5365-01-407-4751 is a Ring,lock,keyed, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-407-4751?

NSN 5365-01-407-4751 has 2 cross-referenced part numbers: SM-B-763900 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 190-481 (Cmc Electronics Inc).

What NSN replaces 5365-01-407-4751?

There is 1 known substitute for 5365-01-407-4751: 4730-01-217-2829. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-763900?

Key specifications for SM-B-763900: Material: STEEL COMP 303; Surface Treatment: PASSIVATE; Key Width: 0.0620 INCHES NOMINAL IN; Inside Diameter: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

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