PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

4M49A3D6P4Spacer,plate

The Boeing Company Div Defense · NSN 5365-01-564-3985 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-564-3985 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-564-3985. Primary manufacturer part number: 4M49A3D6P4.
Features
  • Spacer,plate — FSC 5365
  • Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC ALL TREATMENT RESPONSES AND MIL-P-85582, TYPE 1. CLASS 2 MIL SPEC ALL TREATMENT RESPONSES AND MIL-F-7179 MIL SPEC ALL TREATMENT RESPONSES
  • Hole Diameter: 0.286 INCHES NOMINAL IN
  • Overall Thickness: 0.125 INCHES NOMINAL IN
  • Bolt Hole Quantity: 4
  • Material: ALUMINUM ALLOY 2024
  • Bolt Hole Centerline to Nearest Edge Distance: 0.208 INCHES NOMINAL IN
  • End Radius: 0.001 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-564-3985, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-564-3985
Primary Part Number4M49A3D6P4
Item NameSpacer,plate
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC ALL TREATMENT RESPONSES AND MIL-P-85582, TYPE 1. CLASS 2 MIL SPEC ALL TREATMENT RESPONSES AND MIL-F-7179 MIL SPEC ALL TREATMENT RESPONSES
Hole Diameter0.286 INCHES NOMINAL IN
Overall Thickness0.125 INCHES NOMINAL IN
Bolt Hole Quantity4
MaterialALUMINUM ALLOY 2024
Bolt Hole Centerline to Nearest Edge Distance0.208 INCHES NOMINAL IN
End Radius0.001 INCHES NOMINAL IN
Style DesignatorNON-CIRCULAR W/ROUNDED ENDS
Surface TreatmentPRIMER
Temp Rating500.0 FAHRENHEIT DEGF
Material Document and ClassificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE
Test Data Document76301-4-49 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Center to Center Distance Between Bolt Holes Along Length0.750 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-01-521-17824M49A4DM12P2 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
5365-01-521-22324M49A4DM14P2 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
5365-01-521-22664M49A4DL8P7 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
5365-01-536-62814M49A4DL13P3 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
5365-01-564-41594M49A3DL6P4 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
5365-01-564-41704M49A3DM8P3 INTERCHANGEABLE
Spacer,plate
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
4M49 The Boeing Company Div Defense (USA)
4M49A3D6P4 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5365-01-521-1782INTERCHANGEABLE
SPACER,PLATE
4M49A4DM12P2
5365-01-521-2232INTERCHANGEABLE
SPACER,PLATE
4M49A4DM14P2
5365-01-521-2266INTERCHANGEABLE
SPACER,PLATE
4M49A4DL8P7
5365-01-536-6281INTERCHANGEABLE
SPACER,PLATE
4M49A4DL13P3
5365-01-564-4159INTERCHANGEABLE
SPACER,PLATE
4M49A3DL6P4
5365-01-564-4170INTERCHANGEABLE
SPACER,PLATE
4M49A3DM8P3

Frequently Asked Questions

What is NSN 5365-01-564-3985?

NSN 5365-01-564-3985 is a Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-564-3985?

NSN 5365-01-564-3985 has 2 cross-referenced part numbers: 4M49 (The Boeing Company Div Defense), 4M49A3D6P4 (The Boeing Company Div Defense).

What NSN replaces 5365-01-564-3985?

There are 6 known substitutes for 5365-01-564-3985: 5365-01-521-1782, 5365-01-521-2232, 5365-01-521-2266 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4M49A3D6P4?

Key specifications for 4M49A3D6P4: Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC ALL TREATMENT RESPONSES AND MIL-P-85582, TYPE 1. CLASS 2 MIL SPEC ALL TREATMENT RESPONSES AND MIL-F-7179 MIL SPEC ALL TREATMENT RESPONSES; Special Features: THREAD SIZE: 0.1900-32; Hole Diameter: 0.286 INCHES NOMINAL IN; Overall Thickness: 0.125 INCHES NOMINAL IN. 19 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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