PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42971Washer,flat

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5310-00-293-6600 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-293-6600 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-293-6600. Primary manufacturer part number: 42971.
Features
  • Washer,flat — FSC 5310
  • Material: IRON OVERALL
  • Surface Finish: 63.0 MICROINCHES ALL SURFACES
  • Hole Diameter: 0.686 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.438 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-293-6600, 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 & Airborne Systems. Government technical data includes 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-293-6600
Primary Part Number42971
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
MaterialIRON OVERALL
Surface Finish63.0 MICROINCHES ALL SURFACES
Hole Diameter0.686 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter1.438 INCHES NOMINAL IN
Thickness0.350 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-155-67460042971 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5360-00-237-5482271695PC3 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5355-00-358-872542971 INTERCHANGEABLE
Knob
Chrysler Corp Service and Parts Opns
5965-00-945-844342971 INTERCHANGEABLE
Earphone
Yankee Telecommunication Laboratories Inc
4820-01-054-005242971 INTERCHANGEABLE
Diaphragm Assy
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5130-01-174-92454297-1 INTERCHANGEABLE
Drill,electric,portable
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
3020-01-291-529442971 INTERCHANGEABLE
Gear Cluster
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5110-01-398-936800942971000 INTERCHANGEABLE
Chisel,cold,hand
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
42971 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3110-00-155-6746INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042971
5360-00-237-5482INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
271695PC3
5355-00-358-8725INTERCHANGEABLE
KNOB
42971
5965-00-945-8443INTERCHANGEABLE
EARPHONE
42971
4820-01-054-0052INTERCHANGEABLE
DIAPHRAGM ASSY
42971
5130-01-174-9245INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
4297-1
3020-01-291-5294INTERCHANGEABLE
GEAR CLUSTER
42971
5110-01-398-9368INTERCHANGEABLE
CHISEL,COLD,HAND
00942971000

Frequently Asked Questions

What is NSN 5310-00-293-6600?

NSN 5310-00-293-6600 is a Washer,flat, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-293-6600?

NSN 5310-00-293-6600 has 1 cross-referenced part number: 42971 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5310-00-293-6600?

There are 8 known substitutes for 5310-00-293-6600: 3110-00-155-6746, 5360-00-237-5482, 5355-00-358-8725 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42971?

Key specifications for 42971: Material: IRON OVERALL; Special Features: CHAMFER BOTH OUTSIDE EDGES 0.031 INCHES BY 45 DEGREES IN; Surface Finish: 63.0 MICROINCHES ALL SURFACES; Hole Diameter: 0.686 INCHES NOMINAL 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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