PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18333Washer,flat

Unison Industries, Llc Dba Unison Industries Inc · NSN 5310-01-633-0209 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-633-0209 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-633-0209. Primary manufacturer part number: 18333.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Unison Industries, Llc Dba Unison Industries Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-633-0209, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries, Llc Dba Unison Industries Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersUnison Industries, Llc Dba Unison Industries Inc (CAGE 83311)
Technical Specifications
ParameterValue
NSN5310-01-633-0209
Primary Part Number18333
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnison Industries, Llc Dba Unison Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5325-00-281-2933 INTERCHANGEABLE
Ring,retaining
4130-00-677-569018333 INTERCHANGEABLE
Handle,flush,modifi
Hdt Expeditionary Systems Inc
5950-00-809-1237 INTERCHANGEABLE
Coil,radio Frequency
5962-01-087-8540932820-229 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5133-01-115-6867 INTERCHANGEABLE
Drill,twist
4820-01-278-4221G311900-1 INTERCHANGEABLE
Valve,globe
Raytheon Company Dba Raytheon Co
3040-01-337-4376313774 FIND 31 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
Lake Shore Systems, Inc.
6240-01-388-4099 INTERCHANGEABLE
Lamp,fluorescent
4130-01-501-734818333 INTERCHANGEABLE
Vacu-Discs,gold Psa
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
18333 PRIMARY Unison Industries, Llc Dba Unison Industries Inc (USA)
Related Parts
5325-00-281-2933INTERCHANGEABLE
RING,RETAINING
4130-00-677-5690INTERCHANGEABLE
HANDLE,FLUSH,MODIFI
18333
5950-00-809-1237INTERCHANGEABLE
COIL,RADIO FREQUENCY
5962-01-087-8540INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-229
5133-01-115-6867INTERCHANGEABLE
DRILL,TWIST
4820-01-278-4221INTERCHANGEABLE
VALVE,GLOBE
G311900-1
3040-01-337-4376INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
313774 FIND 31
6240-01-388-4099INTERCHANGEABLE
LAMP,FLUORESCENT
4130-01-501-7348INTERCHANGEABLE
VACU-DISCS,GOLD PSA
18333

Frequently Asked Questions

What is NSN 5310-01-633-0209?

NSN 5310-01-633-0209 is a Washer,flat, manufactured by Unison Industries, Llc Dba Unison Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-633-0209?

NSN 5310-01-633-0209 has 1 cross-referenced part number: 18333 (Unison Industries, Llc Dba Unison Industries Inc).

What NSN replaces 5310-01-633-0209?

There are 9 known substitutes for 5310-01-633-0209: 5325-00-281-2933, 4130-00-677-5690, 5950-00-809-1237 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com