PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51146Washer,key

Aerol Llc · NSN 5310-00-052-9310 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-052-9310 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-052-9310. Primary manufacturer part number: 51146.
Features
  • Washer,key — FSC 5310
  • Material Thickness: 0.1096 INCHES MINIMUM AND 0.1296 INCHES MAXIMUM IN
  • Distance From Centerline to Top of Internal Key: 0.375 INCHES NOMINAL IN
  • Style Designator: KEY
  • Material: STEEL COMP 1018 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 1.690 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN
  • Internal Key Quantity: 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1018 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-052-9310, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerol Llc. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-052-9310
Primary Part Number51146
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAerol Llc
StatusACTIVE
Material Thickness0.1096 INCHES MINIMUM AND 0.1296 INCHES MAXIMUM IN
Distance From Centerline to Top of Internal Key0.375 INCHES NOMINAL IN
Style DesignatorKEY
MaterialSTEEL COMP 1018 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter1.690 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN
Internal Key Quantity1
Hole Diameter1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
Internal Straight Key Width0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5996-00-134-087751146 INTERCHANGEABLE
Amplifier,electronic Control
Cae Inc
8345-00-262-2406 INTERCHANGEABLE
Flag,individual
8345-00-262-2407 INTERCHANGEABLE
Flag,individual
8345-00-262-2410 INTERCHANGEABLE
Flag,individual
8345-00-262-2411 INTERCHANGEABLE
Flag,individual
8345-00-262-2412 INTERCHANGEABLE
Flag,individual
8345-00-262-2413 INTERCHANGEABLE
Flag,individual
8345-00-262-2414 INTERCHANGEABLE
Flag,individual
8345-00-262-2415 INTERCHANGEABLE
Flag,individual
2940-00-377-554551146 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
51146 PRIMARY Aerol Llc (USA)
Related Parts
5996-00-134-0877INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
51146
8345-00-262-2406INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2407INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2410INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2411INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2412INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2413INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2414INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-262-2415INTERCHANGEABLE
FLAG,INDIVIDUAL
2940-00-377-5545INTERCHANGEABLE
FILTER ELEMENT,FLUID
51146
5360-00-400-8512INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51146
8345-00-460-4209INTERCHANGEABLE
FLAG,INDIVIDUAL

Frequently Asked Questions

What is NSN 5310-00-052-9310?

NSN 5310-00-052-9310 is a Washer,key, manufactured by Aerol Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-052-9310?

NSN 5310-00-052-9310 has 1 cross-referenced part number: 51146 (Aerol Llc).

What NSN replaces 5310-00-052-9310?

There are 12 known substitutes for 5310-00-052-9310: 5996-00-134-0877, 8345-00-262-2406, 8345-00-262-2407 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51146?

Key specifications for 51146: Material Thickness: 0.1096 INCHES MINIMUM AND 0.1296 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.375 INCHES NOMINAL IN; Style Designator: KEY; Material: STEEL COMP 1018 OVERALL. 9 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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