PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G386C6Washer,finishing

Northrop Grumman Systems Corporation · NSN 5310-00-726-9348 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-726-9348 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-726-9348. Primary manufacturer part number: G386C6.
Features
  • Washer,finishing — FSC 5310
  • Hole Diameter: 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
  • Surface Treatment: NICKEL OVERALL
  • Style Designator: FINISHING
  • Material: COPPER ALLOY OVERALL
  • Material Thickness: 0.014 INCHES NOMINAL IN
  • Outside Diameter: 0.438 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,finishing, cataloged under National Stock Number 5310-00-726-9348, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-726-9348
Primary Part NumberG386C6
Item NameWasher,finishing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Hole Diameter0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Surface TreatmentNICKEL OVERALL
Style DesignatorFINISHING
MaterialCOPPER ALLOY OVERALL
Material Thickness0.014 INCHES NOMINAL IN
Outside Diameter0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-198-9315NAS391B6P INTERCHANGEABLE
Washer,finishing
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2530-00-424-055417454 INTERCHANGEABLE
Lining,friction
Cmbf Products Inc
Cross-Reference Index
Part NumberManufacturer
C192 Edwin B. Stimpson Company, Inc. Dba Stimpson (USA)
G386C6 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5310-00-198-9315INTERCHANGEABLE
WASHER,FINISHING
NAS391B6P
2530-00-424-0554INTERCHANGEABLE
LINING,FRICTION
17454

Frequently Asked Questions

What is NSN 5310-00-726-9348?

NSN 5310-00-726-9348 is a Washer,finishing, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-726-9348?

NSN 5310-00-726-9348 has 2 cross-referenced part numbers: C192 (Edwin B. Stimpson Company, Inc. Dba Stimpson), G386C6 (Northrop Grumman Systems Corporation).

What NSN replaces 5310-00-726-9348?

There are 2 known substitutes for 5310-00-726-9348: 5310-00-198-9315, 2530-00-424-0554. Verify interchangeability with system specifications before substitution.

What are the specifications of G386C6?

Key specifications for G386C6: Overall Height: 0.094 INCHES NOMINAL IN; Hole Diameter: 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN; Surface Treatment: NICKEL OVERALL; Style Designator: FINISHING. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-726-9348 still in active supply?

NSN 5310-00-726-9348 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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