PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4378Washer,flat

John Deere Construction & Forestry Company · NSN 5310-01-478-1170 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-478-1170 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-478-1170. Primary manufacturer part number: 4378.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: John Deere Construction & Forestry Company
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-478-1170, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is John Deere Construction & Forestry Company. This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5310-01-478-1170
Primary Part Number4378
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerJohn Deere Construction & Forestry Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5306-00-206-4185 INTERCHANGEABLE
Bolt,machine
3110-00-516-5289203TF INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
4930-01-119-403043-XV INTERCHANGEABLE
Pump,sampler
Easy Vac, Inc. Dba Easy Vac Inc
6530-01-190-4378PB30 INTERCHANGEABLE
Box,plastic
Orbis Corporation
5330-01-272-1173 INTERCHANGEABLE
Gasket
5365-01-654-94314378 INTERCHANGEABLE
Shim
Western Sky Industries Inc Dba Electromech Techologies
5310-01-680-7182MN692308 INTERCHANGEABLE
Nut,self-Locking,extended Washer
J.w.f. Technologies, Llc
6110-01-732-30134378 INTERCHANGEABLE
Panel,control,electrical-Electro
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
Cross-Reference Index
Part NumberManufacturer
4378 John Deere Construction & Forestry Company Div Direct Governmental Sales (USA)
4378 PRIMARY John Deere Construction & Forestry Company (USA)
C259054 John Deere Construction & Forestry Company Div Direct Governmental Sales (USA)
Related Parts
5306-00-206-4185INTERCHANGEABLE
BOLT,MACHINE
3110-00-516-5289INTERCHANGEABLE
BEARING,BALL,ANNULAR
203TF
4930-01-119-4030INTERCHANGEABLE
PUMP,SAMPLER
43-XV
6530-01-190-4378INTERCHANGEABLE
BOX,PLASTIC
PB30
5330-01-272-1173INTERCHANGEABLE
GASKET
5365-01-654-9431INTERCHANGEABLE
SHIM
4378
5310-01-680-7182INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
MN692308
6110-01-732-3013INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO
4378

Frequently Asked Questions

What is NSN 5310-01-478-1170?

NSN 5310-01-478-1170 is a Washer,flat, manufactured by John Deere Construction & Forestry Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-478-1170?

NSN 5310-01-478-1170 has 3 cross-referenced part numbers: 4378 (John Deere Construction & Forestry Company Div Direct Governmental Sales), 4378 (John Deere Construction & Forestry Company), C259054 (John Deere Construction & Forestry Company Div Direct Governmental Sales).

What NSN replaces 5310-01-478-1170?

There are 8 known substitutes for 5310-01-478-1170: 5306-00-206-4185, 3110-00-516-5289, 4930-01-119-4030 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4378?

Key specifications for 4378: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P. 1 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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