PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325100Washer,key

Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines · NSN 5310-00-766-9556 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-766-9556 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-766-9556. Primary manufacturer part number: 325100.
Features
  • Washer,key — FSC 5310
  • Distance From Centerline to Inside of Prebent Key: 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
  • Material: STEEL COMP 1010 OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Outside Diameter: 0.380 INCHES NOMINAL IN
  • External Tapered Key Width: 0.380 INCHES NOMINAL IN
  • External Prebent Key Length: 0.080 INCHES NOMINAL IN
  • Angle Between External Keys: 120.0 DEGREES NOMINAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-766-9556, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-766-9556
Primary Part Number325100
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTeledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
StatusACTIVE
Distance From Centerline to Inside of Prebent Key0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Outside Diameter0.380 INCHES NOMINAL IN
External Tapered Key Width0.380 INCHES NOMINAL IN
External Prebent Key Length0.080 INCHES NOMINAL IN
Angle Between External Keys120.0 DEGREES NOMINAL
Hole Diameter0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5042,T4 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style Designator90 DEGREE LOCKING KEY
External Prebent Key Angle150.0 DEGREES NOMINAL
Material Thickness0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
External Prebent Key Width0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2940-00-007-4791325100 INTERCHANGEABLE
Filter Element,fluid
Deluxe Products Div Walker Mfg Co
4110-01-672-4730LCAC100-512-T3 INTERCHANGEABLE
Motor,evaporator
Snowbird Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
325100 PRIMARY Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA)
Related Parts
2940-00-007-4791INTERCHANGEABLE
FILTER ELEMENT,FLUID
325100
4110-01-672-4730INTERCHANGEABLE
MOTOR,EVAPORATOR
LCAC100-512-T3

Frequently Asked Questions

What is NSN 5310-00-766-9556?

NSN 5310-00-766-9556 is a Washer,key, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-766-9556?

NSN 5310-00-766-9556 has 1 cross-referenced part number: 325100 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).

What NSN replaces 5310-00-766-9556?

There are 2 known substitutes for 5310-00-766-9556: 2940-00-007-4791, 4110-01-672-4730. Verify interchangeability with system specifications before substitution.

What are the specifications of 325100?

Key specifications for 325100: Distance From Centerline to Inside of Prebent Key: 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN; Material: STEEL COMP 1010 OVERALL; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 0.380 INCHES NOMINAL 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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