PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186614Washer,key

Honeywell International Inc Div Aerospace-South Bend (bendix Dr) · NSN 5310-00-639-3996 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-3996 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-3996. Primary manufacturer part number: 186614.
Features
  • Washer,key — FSC 5310
  • Overall Distance Including Keys: 0.594 INCHES NOMINAL IN
  • External Prebent Key Length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Outside Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE FILM OVERALL
  • External Prebent Key Width: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Angle Between External Keys: 60.0 DEGREES NOMINAL
  • External Prebent Key Angle: 90.0 DEGREES NOMINAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-639-3996, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-639-3996
Primary Part Number186614
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc Div Aerospace-South Bend (bendix Dr)
StatusCANCELLED
Overall Distance Including Keys0.594 INCHES NOMINAL IN
External Prebent Key Length0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Outside Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Surface TreatmentOXIDE FILM OVERALL
External Prebent Key Width0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Angle Between External Keys60.0 DEGREES NOMINAL
External Prebent Key Angle90.0 DEGREES NOMINAL
External Tapered Key Width0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
External Key Quantity3
Material Thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
Hole Diameter0.135 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Style DesignatorKEY
MaterialSTEEL COMP 302 OVERALL
Distance From Centerline to Inside of Prebent Key0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Split Key Length0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5331-00-251-9394 INTERCHANGEABLE
O-Ring
5325-00-682-1762 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
186614 Airmotive Carburetor (USA)
186614 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
5331-00-251-9394INTERCHANGEABLE
O-RING
5325-00-682-1762INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5310-00-639-3996?

NSN 5310-00-639-3996 is a Washer,key, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-639-3996?

NSN 5310-00-639-3996 has 2 cross-referenced part numbers: 186614 (Airmotive Carburetor), 186614 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).

What NSN replaces 5310-00-639-3996?

There are 2 known substitutes for 5310-00-639-3996: 5331-00-251-9394, 5325-00-682-1762. Verify interchangeability with system specifications before substitution.

What are the specifications of 186614?

Key specifications for 186614: Overall Distance Including Keys: 0.594 INCHES NOMINAL IN; External Prebent Key Length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Outside Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Surface Treatment: OXIDE FILM OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-639-3996 still in active supply?

NSN 5310-00-639-3996 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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