PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99804Nut,plain,hexagon

Barnes Group Inc. Dba Barnes Distribution · NSN 5310-01-559-9780 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-559-9780 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-9780. Primary manufacturer part number: 99804.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 14
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 1.000 INCHES IN
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-559-9780, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-559-9780
Primary Part Number99804
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Thread Quantity Per Inch14
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-181-6751 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5305-00-286-3826 INTERCHANGEABLE
Screw,machine
5970-00-369-978799804 INTERCHANGEABLE
Insulator
Telemechanics Inc
2925-00-373-381099804 INTERCHANGEABLE
Block,transformer Support,excite
Unison Industries Llc
Cross-Reference Index
Part NumberManufacturer
99804 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
45456 Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5120-00-181-6751INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5305-00-286-3826INTERCHANGEABLE
SCREW,MACHINE
5970-00-369-9787INTERCHANGEABLE
INSULATOR
99804
2925-00-373-3810INTERCHANGEABLE
BLOCK,TRANSFORMER SUPPORT,EXCITE
99804

Frequently Asked Questions

What is NSN 5310-01-559-9780?

NSN 5310-01-559-9780 is a Nut,plain,hexagon, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-559-9780?

NSN 5310-01-559-9780 has 2 cross-referenced part numbers: 99804 (Barnes Group Inc. Dba Barnes Distribution), 45456 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5310-01-559-9780?

There are 4 known substitutes for 5310-01-559-9780: 5120-00-181-6751, 5305-00-286-3826, 5970-00-369-9787 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99804?

Key specifications for 99804: Thread Direction: RIGHT-HAND; Material: STEEL OVERALL; Part Name Assigned by Controlling Agency: GRADE 8 HEX NUT-BL 1-14; Nut Style: HEXAGON. 8 total characteristics are documented in the Federal Logistics Information System.

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