PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NK818-6DNut

Long-Lok, Llc · NSN 5310-00-339-8929 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-339-8929 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-339-8929. Primary manufacturer part number: NK818-6D.
Features
  • Nut — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Long-Lok, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut, cataloged under National Stock Number 5310-00-339-8929, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Long-Lok, Llc. This item has 3 commercial cross-references from 3 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
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersLong-Lok, Llc (CAGE 03038); Esna, Llc (CAGE 019L2); Harvard Industries Inc (CAGE 72962)
Technical Specifications
ParameterValue
NSN5310-00-339-8929
Primary Part NumberNK818-6D
Item NameNut
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLong-Lok, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-086-7298 INTERCHANGEABLE
Seal,plain Encased
5945-00-088-252421-006 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
6145-00-192-164321-006 INTERCHANGEABLE
Resistance Wire
Raytheon Company Div Corp
5950-00-251-655321006 INTERCHANGEABLE
Transformer,pulse
Magnetika Inc
5330-00-367-5938119757 INTERCHANGEABLE
Gasket
Mag Aerospace Industries, Llc Div Safran Cabins
5977-00-927-0216 INTERCHANGEABLE
Ring Assembly,electrical Contact
5310-01-112-1251 INTERCHANGEABLE
Nut,plain,knurled
5940-01-235-5857 INTERCHANGEABLE
Terminal Board
5945-01-388-638821.006 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation
4820-01-408-70191727 INTERCHANGEABLE
Seat,valve
Droitcour Co
Cross-Reference Index
Part NumberManufacturer
NK818-6D PRIMARY Long-Lok, Llc (USA)
21006 Esna, Llc (USA)
21006 Harvard Industries Inc (USA)
Related Parts
5330-00-086-7298INTERCHANGEABLE
SEAL,PLAIN ENCASED
5945-00-088-2524INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-006
6145-00-192-1643INTERCHANGEABLE
RESISTANCE WIRE
21-006
5950-00-251-6553INTERCHANGEABLE
TRANSFORMER,PULSE
21006
5330-00-367-5938INTERCHANGEABLE
GASKET
119757
5977-00-927-0216INTERCHANGEABLE
RING ASSEMBLY,ELECTRICAL CONTACT
5310-01-112-1251INTERCHANGEABLE
NUT,PLAIN,KNURLED
5940-01-235-5857INTERCHANGEABLE
TERMINAL BOARD
5945-01-388-6388INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21.006
4820-01-408-7019INTERCHANGEABLE
SEAT,VALVE
1727
6640-01-531-5290INTERCHANGEABLE
INCUBATOR,BACTERIOLOGICAL
5930-01-693-9478INTERCHANGEABLE
SWITCH,PULL
CS2002-8

Frequently Asked Questions

What is NSN 5310-00-339-8929?

NSN 5310-00-339-8929 is a Nut, manufactured by Long-Lok, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-339-8929?

NSN 5310-00-339-8929 has 3 cross-referenced part numbers: NK818-6D (Long-Lok, Llc), 21006 (Esna, Llc), 21006 (Harvard Industries Inc).

What NSN replaces 5310-00-339-8929?

There are 12 known substitutes for 5310-00-339-8929: 5330-00-086-7298, 5945-00-088-2524, 6145-00-192-1643 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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