PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

4M49-4DM13PSpacer,plate

The Boeing Company Div Defense · NSN 5365-01-495-8521 · FSC 5365 · Bushings, Rings, Shims, and Spacers
Government record, cited
NSN 5365-01-495-8521 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-495-8521. Primary manufacturer part number: 4M49-4DM13P.
Features
  • Spacer,plate — FSC 5365
  • Overall Thickness: 0.063 INCHES NOMINAL IN
  • Style Designator: NON-CIRCULAR W/SQUARE CORNERS
  • Material Document and Classification: QQ-A-250/5, T3 FED SPEC SINGLE MATERIAL RESPONSE
  • Bolt Hole Centerline to Nearest Edge Distance: 0.243 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
  • Bolt Hole Quantity: 23
  • Center to Center Distance Between Bolt Holes Along Length: 1.625 INCHES NOMINAL IN
  • Outside Edge to Bolt Hole Center Distance Along Length: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Identification
  • NSN: 5365-01-495-8521
  • NIIN: 014958521
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 4M49-4DM13P
  • Manufacturer: The Boeing Company Div Defense
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-495-8521, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-495-8521
Primary Part Number4M49-4DM13P
Item NameSpacer,plate
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Overall Thickness0.063 INCHES NOMINAL IN
Style DesignatorNON-CIRCULAR W/SQUARE CORNERS
Material Document and ClassificationQQ-A-250/5, T3 FED SPEC SINGLE MATERIAL RESPONSE
Bolt Hole Centerline to Nearest Edge Distance0.243 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
Bolt Hole Quantity23
Center to Center Distance Between Bolt Holes Along Length1.625 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Length0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY 2024
Hole Diameter0.356 INCHES MINIMUM AND 0.366 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
4M49-4DM13P PRIMARY The Boeing Company Div Defense (USA)
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER

Frequently Asked Questions

What is NSN 5365-01-495-8521?

NSN 5365-01-495-8521 is a Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5365 (Bushings, Rings, Shims, and Spacers). Status: active.

What are the part numbers for NSN 5365-01-495-8521?

NSN 5365-01-495-8521 has 1 cross-referenced part number: 4M49-4DM13P (The Boeing Company Div Defense).

What are the specifications of 4M49-4DM13P?

Key specifications for 4M49-4DM13P: Overall Thickness: 0.063 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR W/SQUARE CORNERS; Material Document and Classification: QQ-A-250/5, T3 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 47.970 INCHES MINIMUM AND 48.030 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-495-8521 hazardous material?

Hazard status is not stated in the government record for NSN 5365-01-495-8521 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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