PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-109Washer,flat

Motorola Inc. Dba Integrated Information Systems Group · NSN 5310-00-168-6371 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-168-6371 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-168-6371. Primary manufacturer part number: 20-109.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.559 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.034 INCHES NOMINAL IN
  • Hole Diameter: 0.265 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-168-6371, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Motorola Inc. Dba Integrated Information Systems Group. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-168-6371
Primary Part Number20-109
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMotorola Inc. Dba Integrated Information Systems Group
StatusACTIVE
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.559 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.034 INCHES NOMINAL IN
Hole Diameter0.265 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-050-2647 INTERCHANGEABLE
Switch,toggle
5910-00-220-3425 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5133-00-228-1358 INTERCHANGEABLE
Drill,twist
1660-00-485-569520109 INTERCHANGEABLE
Plate Assy-Dump Pre
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-00-843-29932-1-2X3 INTERCHANGEABLE
Packing
Hydranamics Inc
5995-01-025-462420109 INTERCHANGEABLE
Wiring Harness,branched
Grimes Aerospace Company
5998-01-040-300620109 INTERCHANGEABLE
Circuit Card Assembly
Cae Usa Inc.
5915-01-088-287792002 INTERCHANGEABLE
Filter,band Pass
Drs Signal Solutions, Inc.
5930-01-195-4845 INTERCHANGEABLE
Switch,thermostatic
3110-01-223-430320109 INTERCHANGEABLE
Ring,bearing,inner
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
20-109 Motorola Inc. Dba Integrated Information Systems Group (USA)
20-109 Motorola Automotive Electronics (USA)
Related Parts
5930-00-050-2647INTERCHANGEABLE
SWITCH,TOGGLE
5910-00-220-3425INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5133-00-228-1358INTERCHANGEABLE
DRILL,TWIST
1660-00-485-5695INTERCHANGEABLE
PLATE ASSY-DUMP PRE
20109
5330-00-843-2993INTERCHANGEABLE
PACKING
2-1-2X3
5995-01-025-4624INTERCHANGEABLE
WIRING HARNESS,BRANCHED
20109
5998-01-040-3006INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20109
5915-01-088-2877INTERCHANGEABLE
FILTER,BAND PASS
92002
5930-01-195-4845INTERCHANGEABLE
SWITCH,THERMOSTATIC
3110-01-223-4303INTERCHANGEABLE
RING,BEARING,INNER
20109
4920-01-300-1915INTERCHANGEABLE
TEST PROGRAM SET
7035-01-320-4336INTERCHANGEABLE
PANEL,PATCHING,PROGRAMMING
20109

Frequently Asked Questions

What is NSN 5310-00-168-6371?

NSN 5310-00-168-6371 is a Washer,flat, manufactured by Motorola Inc. Dba Integrated Information Systems Group, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-168-6371?

NSN 5310-00-168-6371 has 2 cross-referenced part numbers: 20-109 (Motorola Inc. Dba Integrated Information Systems Group), 20-109 (Motorola Automotive Electronics).

What NSN replaces 5310-00-168-6371?

There are 12 known substitutes for 5310-00-168-6371: 5930-00-050-2647, 5910-00-220-3425, 5133-00-228-1358 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-109?

Key specifications for 20-109: Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Peripheral Shape Style: ROUND; Overall Diameter: 0.559 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.
PartsTable Design LLC · partstable.com