PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21621Washer

Industrial Technologies and Services Llc · NSN 5310-00-483-2276 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-483-2276 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-483-2276. Primary manufacturer part number: 21621.
Features
  • Washer — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer, cataloged under National Stock Number 5310-00-483-2276, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Industrial Technologies and Services Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersIndustrial Technologies and Services Llc (CAGE 76122)
Technical Specifications
ParameterValue
NSN5310-00-483-2276
Primary Part Number21621
Item NameWasher
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6640-00-003-96693370 INTERCHANGEABLE
Microtome
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
3110-00-100-981605062 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6625-00-229-8796 INTERCHANGEABLE
Marker,amplitude
5305-00-370-1708125132 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5977-00-381-0215441445PC17 INTERCHANGEABLE
Brush Block Assembl
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-422-5431740-963 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5935-00-455-67493370 INTERCHANGEABLE
Insert,electrical Connector
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
3030-00-528-4545 INTERCHANGEABLE
Belt,v
5310-00-638-11243-160358-78 INTERCHANGEABLE
Nut,plain,round
Naval Sea Systems Command
4730-00-772-9552144670 INTERCHANGEABLE
Strainer Element,sediment
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
Cross-Reference Index
Part NumberManufacturer
3370 Industrial Technologies and Services Llc (USA)
21621 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
6640-00-003-9669INTERCHANGEABLE
MICROTOME
3370
3110-00-100-9816INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
05062
6625-00-229-8796INTERCHANGEABLE
MARKER,AMPLITUDE
5305-00-370-1708INTERCHANGEABLE
SCREW,MACHINE
125132
5977-00-381-0215INTERCHANGEABLE
BRUSH BLOCK ASSEMBL
441445PC17
5999-00-422-5431INTERCHANGEABLE
CONTACT,ELECTRICAL
740-963
5935-00-455-6749INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
3370
3030-00-528-4545INTERCHANGEABLE
BELT,V
5310-00-638-1124INTERCHANGEABLE
NUT,PLAIN,ROUND
3-160358-78
4730-00-772-9552INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
144670
4130-00-887-1770INTERCHANGEABLE
SEAL ASSEMBLY,COMPRESSOR
5970-01-155-9418INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
T1020A00

Frequently Asked Questions

What is NSN 5310-00-483-2276?

NSN 5310-00-483-2276 is a Washer, manufactured by Industrial Technologies and Services Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-483-2276?

NSN 5310-00-483-2276 has 2 cross-referenced part numbers: 3370 (Industrial Technologies and Services Llc), 21621 (Industrial Technologies and Services Llc).

What NSN replaces 5310-00-483-2276?

There are 12 known substitutes for 5310-00-483-2276: 6640-00-003-9669, 3110-00-100-9816, 6625-00-229-8796 and 9 more. Verify interchangeability with system specifications before substitution.

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