PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71009Washer,flat

Fastenal Company Dba Fastenal Co · NSN 5310-01-578-0989 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-578-0989 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-578-0989. Primary manufacturer part number: 71009.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.031 INCHES NOMINAL IN
  • Overall Diameter: 0.437 INCHES NOMINAL IN
  • Hole Diameter: 0.219 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-578-0989, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-578-0989
Primary Part Number71009
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.031 INCHES NOMINAL IN
Overall Diameter0.437 INCHES NOMINAL IN
Hole Diameter0.219 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
1095-00-146-5713117100-9 INTERCHANGEABLE
Arming Unit,ejector
Sai Industries Div Standard Armament Inc.
2915-00-708-427271009 INTERCHANGEABLE
Seat Assy,spring
Triumph Engine Control Systems Llc
5930-00-753-067671009 INTERCHANGEABLE
Switch,push-Pull
Cole Hersee Company
6120-00-919-552371009 INTERCHANGEABLE
Power Supply
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5310-01-351-7803ED00771A0090-S INTERCHANGEABLE
Washer,flat
New York Truck Refrigeration Corp
2030-01-426-0581235091 INTERCHANGEABLE
Plate,pressure,brake
Allied Systems Company Dba Allied Systems Co
5110-01-547-20001171-009 INTERCHANGEABLE
Reamer,hand
Fatigue Technology, Inc
Cross-Reference Index
Part NumberManufacturer
1171009 Fastenal Company Dba Fastenal Co (USA)
2003528 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
71009 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
1095-00-146-5713INTERCHANGEABLE
ARMING UNIT,EJECTOR
117100-9
2915-00-708-4272INTERCHANGEABLE
SEAT ASSY,SPRING
71009
5930-00-753-0676INTERCHANGEABLE
SWITCH,PUSH-PULL
71009
6120-00-919-5523INTERCHANGEABLE
POWER SUPPLY
71009
5310-01-351-7803INTERCHANGEABLE
WASHER,FLAT
ED00771A0090-S
2030-01-426-0581INTERCHANGEABLE
PLATE,PRESSURE,BRAKE
235091
5110-01-547-2000INTERCHANGEABLE
REAMER,HAND
1171-009

Frequently Asked Questions

What is NSN 5310-01-578-0989?

NSN 5310-01-578-0989 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-578-0989?

NSN 5310-01-578-0989 has 3 cross-referenced part numbers: 1171009 (Fastenal Company Dba Fastenal Co), 2003528 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 71009 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-578-0989?

There are 7 known substitutes for 5310-01-578-0989: 1095-00-146-5713, 2915-00-708-4272, 5930-00-753-0676 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71009?

Key specifications for 71009: Material: STEEL CORROSION RESISTING OVERALL; End Item Identification: 2355-01-552-5199 MINE RESISTANT VEHICLE,CATEGORY II MRAP,COUGAR,6X6,JOINT ENGINEER RAPID RESPONSE VEHICLE (JERRV); Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-578-0989 still in active supply?

NSN 5310-01-578-0989 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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