PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28232Washer,flat

Ontic Engineering and Manufacturing, Inc. · NSN 5310-01-421-1998 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-421-1998 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-421-1998. Primary manufacturer part number: 28232.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Ontic Engineering and Manufacturing, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-421-1998, 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 and Manufacturing, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersGe Aviation Systems Llc Dba Ge Aviation Systems Llc (CAGE 05624); Ge Aviation Systems Llc Dba Ge Aviation (CAGE 56231); Ontic Engineering and Manufacturing, Inc. (CAGE 8G4X8)
Technical Specifications
ParameterValue
NSN5310-01-421-1998
Primary Part Number28232
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOntic Engineering and Manufacturing, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4930-00-109-233428232 INTERCHANGEABLE
Spray Gun Assembly
Janke & Company Inc Dba Electronic Brazing Co Div
2040-00-991-7067 INTERCHANGEABLE
Chain Assembly,roll
6145-01-046-1266 INTERCHANGEABLE
Cable,power,electrical
6810-01-070-1847282-32H INTERCHANGEABLE
Potassium Hydroxide
Hach Company Dba Hach Co
5120-01-127-5637 INTERCHANGEABLE
Wrench,open End and Flarenut,com
5330-01-181-497128-232 INTERCHANGEABLE
Gasket
Georator Llc
7025-01-655-488228232 INTERCHANGEABLE
Library,storage Networking
Imation Enterprises Corp.
Cross-Reference Index
Part NumberManufacturer
28232 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
28232 Ge Aviation Systems Llc Dba Ge Aviation (USA)
28232 PRIMARY Ontic Engineering and Manufacturing, Inc. (USA)
Related Parts
4930-00-109-2334INTERCHANGEABLE
SPRAY GUN ASSEMBLY
28232
2040-00-991-7067INTERCHANGEABLE
CHAIN ASSEMBLY,ROLL
6145-01-046-1266INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
6810-01-070-1847INTERCHANGEABLE
POTASSIUM HYDROXIDE
282-32H
5120-01-127-5637INTERCHANGEABLE
WRENCH,OPEN END AND FLARENUT,COM
5330-01-181-4971INTERCHANGEABLE
GASKET
28-232
7025-01-655-4882INTERCHANGEABLE
LIBRARY,STORAGE NETWORKING
28232

Frequently Asked Questions

What is NSN 5310-01-421-1998?

NSN 5310-01-421-1998 is a Washer,flat, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-421-1998?

NSN 5310-01-421-1998 has 3 cross-referenced part numbers: 28232 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 28232 (Ge Aviation Systems Llc Dba Ge Aviation), 28232 (Ontic Engineering and Manufacturing, Inc.).

What NSN replaces 5310-01-421-1998?

There are 7 known substitutes for 5310-01-421-1998: 4930-00-109-2334, 2040-00-991-7067, 6145-01-046-1266 and 4 more. Verify interchangeability with system specifications before substitution.

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