PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21366Nut,plain,round

Whirlpool Corp Dba Whirlpool Corp · NSN 5310-00-283-4493 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-283-4493 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-283-4493. Primary manufacturer part number: 21366.
Features
  • Nut,plain,round — FSC 5310
  • Drive Point Width: 0.310 INCHES NOMINAL IN
  • Undercut Thickness: 0.280 INCHES NOMINAL IN
  • Drive Point Depth: 0.160 INCHES NOMINAL IN
  • Small End Diameter: 1.810 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN
  • Nut Diameter: 2.440 INCHES NOMINAL IN
  • Nominal Thread Size: 1.688 INCHES IN
  • Thread Series: UN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Zinc Alloy Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-283-4493, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Whirlpool Corp Dba Whirlpool Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-283-4493
Primary Part Number21366
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWhirlpool Corp Dba Whirlpool Corp
StatusACTIVE
Drive Point Width0.310 INCHES NOMINAL IN
Undercut Thickness0.280 INCHES NOMINAL IN
Drive Point Depth0.160 INCHES NOMINAL IN
Small End Diameter1.810 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN
Nut Diameter2.440 INCHES NOMINAL IN
Nominal Thread Size1.688 INCHES IN
Thread SeriesUN
Thread Quantity Per Inch12
Thread Class2B
MaterialZINC ALLOY OVERALL
Nut Thickness0.530 INCHES NOMINAL IN
Nut StyleROUND
Countersink Angle45.0 DEGREES NOMINAL NUT
Material Document and ClassificationSAE 903 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Drive Point Quantity4
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
9540-00-146-0730 INTERCHANGEABLE
Angle,structural
4820-01-137-3333036-21366 INTERCHANGEABLE
Cap,valve
Fluid Power Solution Llc
5905-01-171-548021366 INTERCHANGEABLE
Resistor,voltage Sensitive
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
3040-01-191-782821366 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
6515-01-319-823721366 INTERCHANGEABLE
Ballast Chamber,cryosurgical Sys
Coopersurgical Inc Dba Coopersurgical Products
4810-01-513-221021366-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-514-846721366-1006-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-535-868821366-1005-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-535-869121366-801-1 INTERCHANGEABLE
Body,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-535-869321366-800-1 INTERCHANGEABLE
Body,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21366 PRIMARY Whirlpool Corp Dba Whirlpool Corp (USA)
Related Parts
9540-00-146-0730INTERCHANGEABLE
ANGLE,STRUCTURAL
4820-01-137-3333INTERCHANGEABLE
CAP,VALVE
036-21366
5905-01-171-5480INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
21366
3040-01-191-7828INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
21366
6515-01-319-8237INTERCHANGEABLE
BALLAST CHAMBER,CRYOSURGICAL SYS
21366
4810-01-513-2210INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21366-001
4820-01-514-8467INTERCHANGEABLE
PISTON,VALVE
21366-1006-1
4820-01-535-8688INTERCHANGEABLE
CAP,VALVE
21366-1005-1
4820-01-535-8691INTERCHANGEABLE
BODY,VALVE
21366-801-1
4820-01-535-8693INTERCHANGEABLE
BODY,VALVE
21366-800-1

Frequently Asked Questions

What is NSN 5310-00-283-4493?

NSN 5310-00-283-4493 is a Nut,plain,round, manufactured by Whirlpool Corp Dba Whirlpool Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-283-4493?

NSN 5310-00-283-4493 has 1 cross-referenced part number: 21366 (Whirlpool Corp Dba Whirlpool Corp).

What NSN replaces 5310-00-283-4493?

There are 10 known substitutes for 5310-00-283-4493: 9540-00-146-0730, 4820-01-137-3333, 5905-01-171-5480 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21366?

Key specifications for 21366: Drive Point Width: 0.310 INCHES NOMINAL IN; Undercut Thickness: 0.280 INCHES NOMINAL IN; Drive Point Depth: 0.160 INCHES NOMINAL IN; Small End Diameter: 1.810 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN. 16 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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