PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40814Nut,sleeve

Napco International Llc Dba Napco International Inc · NSN 5310-00-506-5764 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-506-5764 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-506-5764. Primary manufacturer part number: 40814.
Features
  • Nut,sleeve — FSC 5310
  • Material: STEEL COMP 1137 OR STEEL COMP 4140 OVERALL
  • Thread Direction: RIGHT-HAND
  • Nut Length: 1.300 INCHES NOMINAL IN
  • Nut Counterbore Depth: 0.650 INCHES NOMINAL NUT IN
  • Thread Length: 0.650 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN
  • Nominal Thread Size: 0.750 INCHES IN
  • Nut Diameter: 0.812 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1137 or Steel Comp 4140 Overall construction
General Description

The Nut,sleeve, cataloged under National Stock Number 5310-00-506-5764, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-506-5764
Primary Part Number40814
Item NameNut,sleeve
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
MaterialSTEEL COMP 1137 OR STEEL COMP 4140 OVERALL
Thread DirectionRIGHT-HAND
Nut Length1.300 INCHES NOMINAL IN
Nut Counterbore Depth0.650 INCHES NOMINAL NUT IN
Thread Length0.650 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Nominal Thread Size0.750 INCHES IN
Nut Diameter0.812 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
Counterbore Diameter0.562 INCHES MINIMUM AND 0.565 INCHES MAXIMUM NUT IN
Thread Class2B
Thread Quantity Per Inch16
Nut StyleSLEEVE
Cross-Sectional ShapeROUND OVERALL
Thread SeriesUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-006-81302138 INTERCHANGEABLE
Transformer,power,vibrator
Data Device Corp Dba Beta Transformer Technology
5305-00-017-9791 INTERCHANGEABLE
Screw,cap,hexagon Head
5985-00-137-906840814 INTERCHANGEABLE
Cover,waveguide Flange
Waveline Inc
6810-00-241-1144 INTERCHANGEABLE
Potassium Sulfate
5350-00-241-486100051144021383 INTERCHANGEABLE
Paper,abrasive
3m Company
5330-00-285-37012138 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5330-00-400-0008NAS1593-138 INTERCHANGEABLE
Packing,preformed
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-403-0049009-411ID1 INTERCHANGEABLE
Hose,nonmetallic
Cooper Machinery Services Llc
5360-00-530-47902138 INTERCHANGEABLE
Spring,helical,compression
Emerson Electric Co Alco Controls Div
5950-00-615-97792138 INTERCHANGEABLE
Coil,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
Cross-Reference Index
Part NumberManufacturer
40814 PRIMARY Napco International Llc Dba Napco International Inc (USA)
2138 Dipaco, Inc. L (USA)
Related Parts
5950-00-006-8130INTERCHANGEABLE
TRANSFORMER,POWER,VIBRATOR
2138
5305-00-017-9791INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5985-00-137-9068INTERCHANGEABLE
COVER,WAVEGUIDE FLANGE
40814
6810-00-241-1144INTERCHANGEABLE
POTASSIUM SULFATE
5350-00-241-4861INTERCHANGEABLE
PAPER,ABRASIVE
00051144021383
5330-00-285-3701INTERCHANGEABLE
GASKET
2138
5330-00-400-0008INTERCHANGEABLE
PACKING,PREFORMED
NAS1593-138
4720-00-403-0049INTERCHANGEABLE
HOSE,NONMETALLIC
009-411ID1
5360-00-530-4790INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2138
5950-00-615-9779INTERCHANGEABLE
COIL,RADIO FREQUENCY
2138
5940-00-889-4978INTERCHANGEABLE
TERMINAL,LUG
213-169
5950-00-914-8898INTERCHANGEABLE
COIL,RADIO FREQUENCY
SMC542098

Frequently Asked Questions

What is NSN 5310-00-506-5764?

NSN 5310-00-506-5764 is a Nut,sleeve, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-506-5764?

NSN 5310-00-506-5764 has 2 cross-referenced part numbers: 40814 (Napco International Llc Dba Napco International Inc), 2138 (Dipaco, Inc. L).

What NSN replaces 5310-00-506-5764?

There are 12 known substitutes for 5310-00-506-5764: 5950-00-006-8130, 5305-00-017-9791, 5985-00-137-9068 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40814?

Key specifications for 40814: Material: STEEL COMP 1137 OR STEEL COMP 4140 OVERALL; Thread Direction: RIGHT-HAND; Nut Length: 1.300 INCHES NOMINAL IN; Nut Counterbore Depth: 0.650 INCHES NOMINAL NUT IN. 14 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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