PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81246Nut,self-Locking,castellated,hex

M-B Companies, Inc · NSN 5310-01-336-3191 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-336-3191 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-336-3191. Primary manufacturer part number: 81246.
Features
  • Nut,self-Locking,castellated,hex — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: M-B Companies, Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,castellated,hex, cataloged under National Stock Number 5310-01-336-3191, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is M-B Companies, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,castellated,hex
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersM-B Companies, Inc (CAGE 66234)
Technical Specifications
ParameterValue
NSN5310-01-336-3191
Primary Part Number81246
Item NameNut,self-Locking,castellated,hex
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerM-B Companies, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-259-7277 INTERCHANGEABLE
Switch,rotary
5365-00-691-6540SM-D-130902-16 INTERCHANGEABLE
Bushing Machine Threaded
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6250-00-845-8390 INTERCHANGEABLE
Adapter,lampholder to Panel
Cross-Reference Index
Part NumberManufacturer
81246 PRIMARY M-B Companies, Inc (USA)
Related Parts
5930-00-259-7277INTERCHANGEABLE
SWITCH,ROTARY
5365-00-691-6540INTERCHANGEABLE
BUSHING MACHINE THREADED
SM-D-130902-16
6250-00-845-8390INTERCHANGEABLE
ADAPTER,LAMPHOLDER TO PANEL

Frequently Asked Questions

What is NSN 5310-01-336-3191?

NSN 5310-01-336-3191 is a Nut,self-Locking,castellated,hex, manufactured by M-B Companies, Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-336-3191?

NSN 5310-01-336-3191 has 1 cross-referenced part number: 81246 (M-B Companies, Inc).

What NSN replaces 5310-01-336-3191?

There are 3 known substitutes for 5310-01-336-3191: 5930-00-259-7277, 5365-00-691-6540, 6250-00-845-8390. Verify interchangeability with system specifications before substitution.

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