PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

NAS42DD3-56FCSpacer,sleeve

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5365-01-521-3514 · FSC 5365 · Bushings, Rings, Shims, and Spacers
Government record, cited
NSN 5365-01-521-3514 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-521-3514. Primary manufacturer part number: NAS42DD3-56FC.
Features
  • Spacer,sleeve — FSC 5365
  • Corner Shape: SQUARE ALL CORNERS
  • Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A, DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
  • Body Outside Diameter: 0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: WW-T-700/3, TYPE 1 OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 0.0970 INCHES MINIMUM AND 0.1020 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE FILM OVERALL
Identification
  • NSN: 5365-01-521-3514
  • NIIN: 015213514
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: NAS42DD3-56FC
  • Manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-521-3514, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 8 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
NSN5365-01-521-3514
Primary Part NumberNAS42DD3-56FC
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Surface Treatment Document and ClassificationMIL-C-5541, CLASS 1A, DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
Body Outside Diameter0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationWW-T-700/3, TYPE 1 OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter0.0970 INCHES MINIMUM AND 0.1020 INCHES MAXIMUM IN
Surface TreatmentOXIDE FILM OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
NAS42DD3-56FC PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (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 5365-01-521-3514?

NSN 5365-01-521-3514 is a Spacer,sleeve, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5365 (Bushings, Rings, Shims, and Spacers). Status: active.

What are the part numbers for NSN 5365-01-521-3514?

NSN 5365-01-521-3514 has 1 cross-referenced part number: NAS42DD3-56FC (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What are the specifications of NAS42DD3-56FC?

Key specifications for NAS42DD3-56FC: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A, DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Body Outside Diameter: 0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-521-3514 hazardous material?

Hazard status is not stated in the government record for NSN 5365-01-521-3514 — 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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