PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31015Washer,flat

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5310-00-684-3763 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-684-3763 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-684-3763. Primary manufacturer part number: 31015.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: PLASTIC OVERALL
  • Overall Diameter: 8.125 INCHES NOMINAL IN
  • Thickness: 0.125 INCHES NOMINAL IN
  • Hole Diameter: 6.062 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-684-3763, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-684-3763
Primary Part Number31015
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
MaterialPLASTIC OVERALL
Overall Diameter8.125 INCHES NOMINAL IN
Thickness0.125 INCHES NOMINAL IN
Hole Diameter6.062 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-164-7966 INTERCHANGEABLE
Connector,plug,electrical
5340-00-427-5729 INTERCHANGEABLE
Lever,manual Control
6635-00-628-13233-10-15 INTERCHANGEABLE
Tester,material Strength
Tinius Olsen Testing Machine Company
2510-00-700-71233-10-15 INTERCHANGEABLE
Pin Rear Spring
Trailmobile Inc Sub of the Pullman Co
5940-00-729-0835CTL-500 INTERCHANGEABLE
Terminal,lug
Southport Industries, Inc.
5133-00-841-8758 INTERCHANGEABLE
Drill,twist
3455-01-012-911131-015 INTERCHANGEABLE
Cutter,circular Milling
Onsrud Cutter Inc
4520-01-268-194731015 INTERCHANGEABLE
Heating Element,electrical,nonim
Wrap-on Co Inc
6515-01-273-8644310.15 INTERCHANGEABLE
Drill Bit,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5120-01-357-47582140 INTERCHANGEABLE
Wrench,pipe
Reed Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
31015 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5935-00-164-7966INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5340-00-427-5729INTERCHANGEABLE
LEVER,MANUAL CONTROL
6635-00-628-1323INTERCHANGEABLE
TESTER,MATERIAL STRENGTH
3-10-15
2510-00-700-7123INTERCHANGEABLE
PIN REAR SPRING
3-10-15
5940-00-729-0835INTERCHANGEABLE
TERMINAL,LUG
CTL-500
5133-00-841-8758INTERCHANGEABLE
DRILL,TWIST
3455-01-012-9111INTERCHANGEABLE
CUTTER,CIRCULAR MILLING
31-015
4520-01-268-1947INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
31015
6515-01-273-8644INTERCHANGEABLE
DRILL BIT,BONE
310.15
5120-01-357-4758INTERCHANGEABLE
WRENCH,PIPE
2140
6850-01-468-8833INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
H901A
6850-01-468-8855INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
3101-5

Frequently Asked Questions

What is NSN 5310-00-684-3763?

NSN 5310-00-684-3763 is a Washer,flat, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-684-3763?

NSN 5310-00-684-3763 has 1 cross-referenced part number: 31015 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5310-00-684-3763?

There are 12 known substitutes for 5310-00-684-3763: 5935-00-164-7966, 5340-00-427-5729, 6635-00-628-1323 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31015?

Key specifications for 31015: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Material: PLASTIC OVERALL; Overall Diameter: 8.125 INCHES NOMINAL IN. 7 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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