PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55767Washer,key

Hydro-Aire Aerospace Corp · NSN 5310-00-952-1696 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-952-1696 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-952-1696. Primary manufacturer part number: 55767.
Features
  • Washer,key — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Style Designator: KEY
  • Outside Diameter: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
  • External Key Quantity: 1
  • External Straight Key Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
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 5310-00-952-1696, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-952-1696
Primary Part Number55767
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Style DesignatorKEY
Outside Diameter0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
External Key Quantity1
External Straight Key Width0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Internal Prebent Key Length0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Hole Diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Material Thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Internal Prebent Key Width0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Overall Distance Including Keys0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-108-1585109267-6 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Raytheon Company Dba Raytheon Co
5330-00-134-767255767 INTERCHANGEABLE
Seal Ring,metal
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5961-00-618-6597 INTERCHANGEABLE
Semiconductor Device,thyristor
5315-00-783-6041 INTERCHANGEABLE
Pin,straight,headed
Cross-Reference Index
Part NumberManufacturer
55767 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5905-00-108-1585INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
109267-6
5330-00-134-7672INTERCHANGEABLE
SEAL RING,METAL
55767
5961-00-618-6597INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5315-00-783-6041INTERCHANGEABLE
PIN,STRAIGHT,HEADED

Frequently Asked Questions

What is NSN 5310-00-952-1696?

NSN 5310-00-952-1696 is a Washer,key, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-952-1696?

NSN 5310-00-952-1696 has 1 cross-referenced part number: 55767 (Hydro-Aire Aerospace Corp).

What NSN replaces 5310-00-952-1696?

There are 4 known substitutes for 5310-00-952-1696: 5905-00-108-1585, 5330-00-134-7672, 5961-00-618-6597 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55767?

Key specifications for 55767: Surface Treatment: PASSIVATE OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 302 OVERALL; Style Designator: KEY. 12 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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