PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21NE108Nut,self-Locking,hexagon

Esna, Llc · NSN 5310-00-020-0359 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-020-0359 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-020-0359. Primary manufacturer part number: 21NE108.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 9 verified cross-references
  • Primary manufacturer: Esna, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-020-0359, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. This item has 9 commercial cross-references from 6 manufacturers, 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 NameNut,self-Locking,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersCrane Carrier Company, Llc (CAGE 03533); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841); Lrg Fastener Corporation Dba Continental-Aero (CAGE 7Y458); Harvard Industries Inc (CAGE 72962)
Technical Specifications
ParameterValue
NSN5310-00-020-0359
Primary Part Number21NE108
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-9441305-10 INTERCHANGEABLE
Marlinespike
Leetonia Tool Co the
8030-00-247-2524 INTERCHANGEABLE
Sealing Compound
1005-00-252-3564 INTERCHANGEABLE
Swivel Assy,front
5110-00-289-1011 INTERCHANGEABLE
Reamer,hand
6685-00-449-257221966 INTERCHANGEABLE
Cup-Field
Prestolite Electric Inc
5331-01-084-456930510 INTERCHANGEABLE
O-Ring
Gil, Inc.
5940-01-090-0465410 INTERCHANGEABLE
Splice,conductor
Ideal Industries, Inc.
5365-01-121-9178AB-61-A INTERCHANGEABLE
Bushing,machine Thread
Sanstorm Inc
5961-01-155-9693 INTERCHANGEABLE
Semiconductor Device,diode
3230-01-236-958230510 INTERCHANGEABLE
Bit,router
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
219-066 Crane Carrier Company, Llc (USA)
2533408PC23 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A219-66 Crane Carrier Company, Llc (USA)
30510 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
CF-21NE-108 Lrg Fastener Corporation Dba Continental-Aero (USA)
219-66 Crane Carrier Company, Llc (USA)
21NE108 Harvard Industries Inc (USA)
21NE108 PRIMARY Esna, Llc (USA)
219-0066 Crane Carrier Company, Llc (USA)
Related Parts
5120-00-224-9441INTERCHANGEABLE
MARLINESPIKE
305-10
8030-00-247-2524INTERCHANGEABLE
SEALING COMPOUND
1005-00-252-3564INTERCHANGEABLE
SWIVEL ASSY,FRONT
5110-00-289-1011INTERCHANGEABLE
REAMER,HAND
6685-00-449-2572INTERCHANGEABLE
CUP-FIELD
21966
5331-01-084-4569INTERCHANGEABLE
O-RING
30510
5940-01-090-0465INTERCHANGEABLE
SPLICE,CONDUCTOR
410
5365-01-121-9178INTERCHANGEABLE
BUSHING,MACHINE THREAD
AB-61-A
5961-01-155-9693INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3230-01-236-9582INTERCHANGEABLE
BIT,ROUTER
30510
3455-01-365-1647INTERCHANGEABLE
CUTTER,MILLING,SIDE
305-10
5985-01-432-1945INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
30510

Frequently Asked Questions

What is NSN 5310-00-020-0359?

NSN 5310-00-020-0359 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-020-0359?

NSN 5310-00-020-0359 has 9 cross-referenced part numbers: 219-066 (Crane Carrier Company, Llc), 2533408PC23 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A219-66 (Crane Carrier Company, Llc), 30510 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), CF-21NE-108 (Lrg Fastener Corporation Dba Continental-Aero) and 4 more.

What NSN replaces 5310-00-020-0359?

There are 12 known substitutes for 5310-00-020-0359: 5120-00-224-9441, 8030-00-247-2524, 1005-00-252-3564 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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