PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Hardware and Abrasives / 5310-00-639-7544

53-310Nut,plain,hexagon

Dresser Industries Inc Leroi Div · NSN 5310-00-639-7544 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-7544 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-7544. Primary manufacturer part number: 53-310.
2B H 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN NUT + WASHER
5310-00-639-7544 — No Item Name Available illustration
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.500 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Thread Series: UNF
  • Thread Quantity Per Inch: 20
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 5310-00-639-7544, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-639-7544
Primary Part Number53-310
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Nominal Thread Size0.500 INCHES IN
Bearing Surface TypeWASHER FACED
Thread SeriesUNF
Thread Quantity Per Inch20
Nut StyleHEXAGON
Nut Height0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
⇄ Verified Substitutes 12
5315-00-013-714212Z48PC819 INTERCHANGEABLE
Pin,cotter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-086-1354N48 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5133-00-189-9186 INTERCHANGEABLE
Drill,twist
5120-00-596-0949N-48 INTERCHANGEABLE
Screwdriver and Wrench Assembly
Neuses P K Inc
4730-00-819-7647A-442 INTERCHANGEABLE
Nut,tube Coupling
Mueller Brass Co.
5905-01-092-36992100-2865 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Keysight Technologies Inc
4730-01-321-6290807947009652138C9 INTERCHANGEABLE
Union,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-325-5701 INTERCHANGEABLE
Catch,clamping
5975-01-432-412011B254108 INTERCHANGEABLE
Conduit Outlet
Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
5340-01-460-528253310 INTERCHANGEABLE
Strap,webbing
Gma Cover Corp
Cross-Reference Index
Part NumberManufacturer
53-310 PRIMARY Dresser Industries Inc Leroi Div (USA)
1227R252 Meritor Industrial Products, Llc (USA)
429619 Army Weapons Command Attn Amswe-Ree-S (USA)
N48 Meritor Industrial Products, Llc (USA)
Related Parts
5315-00-013-7142INTERCHANGEABLE
PIN,COTTER
12Z48PC819
5999-00-086-1354INTERCHANGEABLE
HEATER,THERMAL RELEASE
N48
5133-00-189-9186INTERCHANGEABLE
DRILL,TWIST
5120-00-596-0949INTERCHANGEABLE
SCREWDRIVER AND WRENCH ASSEMBLY
N-48
4730-00-819-7647INTERCHANGEABLE
NUT,TUBE COUPLING
A-442
5905-01-092-3699INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
2100-2865
4730-01-321-6290INTERCHANGEABLE
UNION,PIPE
807947009652138C9
5340-01-325-5701INTERCHANGEABLE
CATCH,CLAMPING
5975-01-432-4120INTERCHANGEABLE
CONDUIT OUTLET
11B254108
5340-01-460-5282INTERCHANGEABLE
STRAP,WEBBING
53310
6550-01-686-4885INTERCHANGEABLE
CONTROL,GLUCOSE
53310
5120-01-721-7218INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
53310

Frequently Asked Questions

What is NSN 5310-00-639-7544?

NSN 5310-00-639-7544 is a Nut,plain,hexagon, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-639-7544?

NSN 5310-00-639-7544 has 4 cross-referenced part numbers: 53-310 (Dresser Industries Inc Leroi Div), 1227R252 (Meritor Industrial Products, Llc), 429619 (Army Weapons Command Attn Amswe-Ree-S), N48 (Meritor Industrial Products, Llc).

What NSN replaces 5310-00-639-7544?

There are 12 known substitutes for 5310-00-639-7544: 5315-00-013-7142, 5999-00-086-1354, 5133-00-189-9186 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53-310?

Key specifications for 53-310: Material: STEEL OVERALL; Thread Direction: RIGHT-HAND; Width Across Flats: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Nominal Thread Size: 0.500 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-639-7544 still in active supply?

NSN 5310-00-639-7544 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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