PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74970Washer,flat

Fastenal Company Div Flpan · NSN 5310-01-559-3471 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-559-3471 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-3471. Primary manufacturer part number: 74970.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.395 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.064 INCHES NOMINAL IN
  • Overall Diameter: 0.875 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-559-3471, 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 Div Flpan. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-559-3471
Primary Part Number74970
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Div Flpan
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.395 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.064 INCHES NOMINAL IN
Overall Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4310-01-168-986774970 INTERCHANGEABLE
Ring,piston
Paccar Winch Inc Dba Paccar Winch Division
4730-01-230-8942 INTERCHANGEABLE
Outlet,pipe
Cross-Reference Index
Part NumberManufacturer
74970 PRIMARY Fastenal Company Div Flpan (USA)
Related Parts
4310-01-168-9867INTERCHANGEABLE
RING,PISTON
74970
4730-01-230-8942INTERCHANGEABLE
OUTLET,PIPE

Frequently Asked Questions

What is NSN 5310-01-559-3471?

NSN 5310-01-559-3471 is a Washer,flat, manufactured by Fastenal Company Div Flpan, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-559-3471?

NSN 5310-01-559-3471 has 1 cross-referenced part number: 74970 (Fastenal Company Div Flpan).

What NSN replaces 5310-01-559-3471?

There are 2 known substitutes for 5310-01-559-3471: 4310-01-168-9867, 4730-01-230-8942. Verify interchangeability with system specifications before substitution.

What are the specifications of 74970?

Key specifications for 74970: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Special Features: MATERIAL IS SILICONE BRONZE.; Hole Diameter: 0.395 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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