PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G19NB6Washer,flat

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5310-00-059-8417 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-059-8417 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-059-8417. Primary manufacturer part number: G19NB6.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: NICKEL OVERALL
  • Hole Diameter: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Thickness: 0.036 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-059-8417, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-059-8417
Primary Part NumberG19NB6
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Surface TreatmentNICKEL OVERALL
Hole Diameter0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Thickness0.036 INCHES NOMINAL IN
Overall Diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-889-2997MS35206-215 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
807906-00 Defense Reduction Agency (USA)
G19NB6 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
310-0058-00 Wrought Washer Mfg., Inc. (USA)
Related Parts
5305-00-889-2997INTERCHANGEABLE
SCREW,MACHINE
MS35206-215

Frequently Asked Questions

What is NSN 5310-00-059-8417?

NSN 5310-00-059-8417 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-059-8417?

NSN 5310-00-059-8417 has 3 cross-referenced part numbers: 807906-00 (Defense Reduction Agency), G19NB6 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 310-0058-00 (Wrought Washer Mfg., Inc.).

What NSN replaces 5310-00-059-8417?

There is 1 known substitute for 5310-00-059-8417: 5305-00-889-2997. Verify interchangeability with system specifications before substitution.

What are the specifications of G19NB6?

Key specifications for G19NB6: Surface Treatment: NICKEL OVERALL; Hole Diameter: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Center Hole Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-059-8417 still in active supply?

NSN 5310-00-059-8417 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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