PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-2479Washer,recessed

The Boeing Company Div Defense · NSN 5310-00-931-0064 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-931-0064 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-931-0064. Primary manufacturer part number: 30-2479.
Features
  • Washer,recessed — FSC 5310
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.281 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
  • Outside Diameter: 1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
  • Heat Treatment: T-3 SOLUTION HEAT TREATED, COLD WORKED
  • Recess Angle: 100.0 DEGREES NOMINAL
  • Recess Diameter: 0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-931-0064, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5310-00-931-0064
Primary Part Number30-2479
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.281 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
Outside Diameter1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
Heat TreatmentT-3 SOLUTION HEAT TREATED, COLD WORKED
Recess Angle100.0 DEGREES NOMINAL
Recess Diameter0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Material Thickness0.090 INCHES NOMINAL IN
Style DesignatorRECESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5306-00-226-4828B1821BH031C113N INTERCHANGEABLE
Bolt,machine
American National Standards Institute Incorporated Dba American National Standards Institute
5360-00-362-0566 INTERCHANGEABLE
Spring,helical,compression
6515-01-615-7407 INTERCHANGEABLE
Cannula,intravenous
Cross-Reference Index
Part NumberManufacturer
30-2479 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5306-00-226-4828INTERCHANGEABLE
BOLT,MACHINE
B1821BH031C113N
5360-00-362-0566INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6515-01-615-7407INTERCHANGEABLE
CANNULA,INTRAVENOUS

Frequently Asked Questions

What is NSN 5310-00-931-0064?

NSN 5310-00-931-0064 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-931-0064?

NSN 5310-00-931-0064 has 1 cross-referenced part number: 30-2479 (The Boeing Company Div Defense).

What NSN replaces 5310-00-931-0064?

There are 3 known substitutes for 5310-00-931-0064: 5306-00-226-4828, 5360-00-362-0566, 6515-01-615-7407. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-2479?

Key specifications for 30-2479: Material: STEEL COMP 303 OVERALL; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.281 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN; Outside Diameter: 1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN. 9 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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