PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1804-2Washer,keyway

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 5310-00-010-8209 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-8209 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-8209. Primary manufacturer part number: 1804-2.
Features
  • Washer,keyway — FSC 5310
  • Distance From Centerline to Bottom of Internal Keyway: 0.288 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
  • Internal Keyway Quantity: 1
  • Outside Diameter: 0.594 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-S-5059,COMP 301,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Material Thickness: 0.005 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-010-8209, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-010-8209
Primary Part Number1804-2
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusCANCELLED
Distance From Centerline to Bottom of Internal Keyway0.288 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
Internal Keyway Quantity1
Outside Diameter0.594 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-S-5059,COMP 301,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OVERALL
Hole Diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Material Thickness0.005 INCHES NOMINAL IN
Internal Keyway Width0.064 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6625-00-071-07881804-2 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Hickok Waekon Llc
5133-00-189-9287 INTERCHANGEABLE
Drill,twist
2805-00-333-432818042 INTERCHANGEABLE
Cylinder,studding a
R.h. Industries, Inc.
5950-00-647-7924 INTERCHANGEABLE
Reactor
2995-00-909-995418042 INTERCHANGEABLE
Body Assy,regulator
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1430-00-938-441618042 INTERCHANGEABLE
Reticle,optical Sig
Gyrus Acmi L.p. Dba Circon-Acmi Div
7690-01-321-3315 INTERCHANGEABLE
Marker,identification
Cross-Reference Index
Part NumberManufacturer
1804-2 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
A1804-2 Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
6625-00-071-0788INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
1804-2
5133-00-189-9287INTERCHANGEABLE
DRILL,TWIST
2805-00-333-4328INTERCHANGEABLE
CYLINDER,STUDDING A
18042
5950-00-647-7924INTERCHANGEABLE
REACTOR
2995-00-909-9954INTERCHANGEABLE
BODY ASSY,REGULATOR
18042
1430-00-938-4416INTERCHANGEABLE
RETICLE,OPTICAL SIG
18042
7690-01-321-3315INTERCHANGEABLE
MARKER,IDENTIFICATION

Frequently Asked Questions

What is NSN 5310-00-010-8209?

NSN 5310-00-010-8209 is a Washer,keyway, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-010-8209?

NSN 5310-00-010-8209 has 2 cross-referenced part numbers: 1804-2 (Aerocontrolex Group, Inc. Div Talley Actuators), A1804-2 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 5310-00-010-8209?

There are 7 known substitutes for 5310-00-010-8209: 6625-00-071-0788, 5133-00-189-9287, 2805-00-333-4328 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1804-2?

Key specifications for 1804-2: Distance From Centerline to Bottom of Internal Keyway: 0.288 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN; Internal Keyway Quantity: 1; Outside Diameter: 0.594 INCHES NOMINAL IN; Material: STEEL OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-010-8209 still in active supply?

NSN 5310-00-010-8209 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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