PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122-2422386 PIECE 188Washer,flat

Naval Ship Systems Command · NSN 5310-01-481-1703 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-481-1703 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-481-1703. Primary manufacturer part number: 122-2422386 PIECE 188.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Thickness: 0.094 INCHES NOMINAL IN
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Hole Diameter: 0.328 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-01-481-1703, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5310-01-481-1703
Primary Part Number122-2422386 PIECE 188
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Thickness0.094 INCHES NOMINAL IN
Overall Diameter0.750 INCHES NOMINAL IN
Hole Diameter0.328 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-145-1649 INTERCHANGEABLE
Nut,plain,slotted,hexagon
3120-01-174-272318914 INTERCHANGEABLE
Bearing,washer,thrust
Altra Industrial Motion Corp.
5310-01-343-8334 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-386-0433 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-450-5130701-4323682 P/N 24 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
3040-01-465-9561122-2422417 PC 250 INTERCHANGEABLE
Shaft,straight
Naval Ship Systems Command
5310-01-481-1185122-2422386 PIECE 199 INTERCHANGEABLE
Washer,flat
Naval Ship Systems Command
5310-01-481-1194122-2422386 PIECE 310 INTERCHANGEABLE
Washer,lock
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
122-2422417 PIECE 188 Naval Ship Systems Command (USA)
122-2422386 PIECE 188 PRIMARY Naval Ship Systems Command (USA)
2422417 Naval Ship Systems Command (USA)
Related Parts
5310-00-145-1649INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
3120-01-174-2723INTERCHANGEABLE
BEARING,WASHER,THRUST
18914
5310-01-343-8334INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-386-0433INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-450-5130INTERCHANGEABLE
NUT,PLAIN,HEXAGON
701-4323682 P/N 24
3040-01-465-9561INTERCHANGEABLE
SHAFT,STRAIGHT
122-2422417 PC 250
5310-01-481-1185INTERCHANGEABLE
WASHER,FLAT
122-2422386 PIECE 199
5310-01-481-1194INTERCHANGEABLE
WASHER,LOCK
122-2422386 PIECE 310

Frequently Asked Questions

What is NSN 5310-01-481-1703?

NSN 5310-01-481-1703 is a Washer,flat, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-481-1703?

NSN 5310-01-481-1703 has 3 cross-referenced part numbers: 122-2422417 PIECE 188 (Naval Ship Systems Command), 122-2422386 PIECE 188 (Naval Ship Systems Command), 2422417 (Naval Ship Systems Command).

What NSN replaces 5310-01-481-1703?

There are 8 known substitutes for 5310-01-481-1703: 5310-00-145-1649, 3120-01-174-2723, 5310-01-343-8334 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 122-2422386 PIECE 188?

Key specifications for 122-2422386 PIECE 188: Peripheral Shape Style: ROUND; Material: STEEL OVERALL; Thickness: 0.094 INCHES NOMINAL IN; Overall Diameter: 0.750 INCHES NOMINAL IN. 8 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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