PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-2218Washer

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5310-01-182-5425 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-182-5425 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-182-5425. Primary manufacturer part number: 20-2218.
Features
  • Washer — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer, cataloged under National Stock Number 5310-01-182-5425, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersOntic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Unison Industries, Llc Dba Unison Industries Inc (CAGE 83311); Donallco Inc (CAGE 56705)
Technical Specifications
ParameterValue
NSN5310-01-182-5425
Primary Part Number20-2218
Item NameWasher
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-106-50042022-18 INTERCHANGEABLE
Relay,electromagnetic
Automation Products Group, Inc.
5940-01-326-1678202218 INTERCHANGEABLE
Terminal Board
Emerson Electric Co Computer Power Div
5133-01-379-7129 INTERCHANGEABLE
Drill,twist
6515-01-590-0762202.218 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
20-2218 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
20-2218 Unison Industries, Llc Dba Unison Industries Inc (USA)
20-2218 Donallco Inc (USA)
Related Parts
5945-00-106-5004INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2022-18
5940-01-326-1678INTERCHANGEABLE
TERMINAL BOARD
202218
5133-01-379-7129INTERCHANGEABLE
DRILL,TWIST
6515-01-590-0762INTERCHANGEABLE
SCREW,BONE
202.218

Frequently Asked Questions

What is NSN 5310-01-182-5425?

NSN 5310-01-182-5425 is a Washer, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-182-5425?

NSN 5310-01-182-5425 has 3 cross-referenced part numbers: 20-2218 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 20-2218 (Unison Industries, Llc Dba Unison Industries Inc), 20-2218 (Donallco Inc).

What NSN replaces 5310-01-182-5425?

There are 4 known substitutes for 5310-01-182-5425: 5945-00-106-5004, 5940-01-326-1678, 5133-01-379-7129 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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