PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

797-19Washer,key

Hamilton Sundstrand Corporation · NSN 5310-00-439-6876 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-439-6876 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-439-6876. Primary manufacturer part number: 797-19.
Features
  • Washer,key — FSC 5310
  • Material Thickness: 0.063 INCHES NOMINAL IN
  • Style Designator: KEY
  • Outside Diameter: 1.138 INCHES NOMINAL IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • External Key Quantity: 2
  • Distance From Centerline to Top of Internal Key: 0.375 INCHES NOMINAL IN
  • Internal Straight Key Width: 0.150 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-439-6876, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 13 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
NSN5310-00-439-6876
Primary Part Number797-19
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Material Thickness0.063 INCHES NOMINAL IN
Style DesignatorKEY
Outside Diameter1.138 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
External Key Quantity2
Distance From Centerline to Top of Internal Key0.375 INCHES NOMINAL IN
Internal Straight Key Width0.150 INCHES NOMINAL IN
Hole Diameter0.935 INCHES NOMINAL IN
Internal Key Quantity2
Overall Distance Including Keys1.244 INCHES NOMINAL IN
External Straight Key Width0.154 INCHES NOMINAL IN
MaterialSTEEL COMP 1060 OVERALL
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-349-946679719 INTERCHANGEABLE
Transistor
Unison Industries Llc
5840-01-046-897279719 INTERCHANGEABLE
Slip Collar Assy
L3harris Technologies, Inc Div Space & Airborne Systems
5950-01-161-3346797-19 INTERCHANGEABLE
Transformer,power
B.c. Systems Inc. Dba Bc Systems Inc
3040-01-690-262079719 INTERCHANGEABLE
Connecting Link,rigid
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
797-19 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
5961-00-349-9466INTERCHANGEABLE
TRANSISTOR
79719
5840-01-046-8972INTERCHANGEABLE
SLIP COLLAR ASSY
79719
5950-01-161-3346INTERCHANGEABLE
TRANSFORMER,POWER
797-19
3040-01-690-2620INTERCHANGEABLE
CONNECTING LINK,RIGID
79719

Frequently Asked Questions

What is NSN 5310-00-439-6876?

NSN 5310-00-439-6876 is a Washer,key, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-439-6876?

NSN 5310-00-439-6876 has 1 cross-referenced part number: 797-19 (Hamilton Sundstrand Corporation).

What NSN replaces 5310-00-439-6876?

There are 4 known substitutes for 5310-00-439-6876: 5961-00-349-9466, 5840-01-046-8972, 5950-01-161-3346 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 797-19?

Key specifications for 797-19: Material Thickness: 0.063 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 1.138 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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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