PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-2063Nut,self-Locking,extended Washer

Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc · NSN 5310-01-357-3939 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-357-3939 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-357-3939. Primary manufacturer part number: C-2063.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-357-3939, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersDirect Line, Inc (CAGE 0GE52); Oshkosh Defense Llc (CAGE 75Q65); Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc (CAGE 82484)
Technical Specifications
ParameterValue
NSN5310-01-357-3939
Primary Part NumberC-2063
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-00-045-69759186-1031 INTERCHANGEABLE
Cavity,tuned
Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa
Cross-Reference Index
Part NumberManufacturer
C-2063 Direct Line, Inc (USA)
25KP383 Oshkosh Defense Llc (USA)
C-2063 PRIMARY Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc (USA)
Related Parts
5985-00-045-6975INTERCHANGEABLE
CAVITY,TUNED
9186-1031

Frequently Asked Questions

What is NSN 5310-01-357-3939?

NSN 5310-01-357-3939 is a Nut,self-Locking,extended Washer, manufactured by Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-357-3939?

NSN 5310-01-357-3939 has 3 cross-referenced part numbers: C-2063 (Direct Line, Inc), 25KP383 (Oshkosh Defense Llc), C-2063 (Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc).

What NSN replaces 5310-01-357-3939?

There is 1 known substitute for 5310-01-357-3939: 5985-00-045-6975. Verify interchangeability with system specifications before substitution.

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