PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

299-4556-342ASpacer,plate

Mpc Products Corporation Dba Woodward Mpc, Inc. · NSN 5365-01-298-9752 · FSC 5365 · Bushings, Rings, Shims, and Spacers
Government record, cited
NSN 5365-01-298-9752 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-298-9752. Primary manufacturer part number: 299-4556-342A.
Features
  • Spacer,plate — FSC 5365
  • Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Style Designator: CIRCULAR
  • Outside Diameter: 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
  • Aperture Diameter: 0.276 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 416
  • 1 commercial cross-reference
Identification
  • NSN: 5365-01-298-9752
  • NIIN: 012989752
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 299-4556-342A
  • Manufacturer: Mpc Products Corporation Dba Woodward Mpc, Inc.
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-298-9752, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The primary manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. Government technical data includes 6 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
NSN5365-01-298-9752
Primary Part Number299-4556-342A
Item NameSpacer,plate
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerMpc Products Corporation Dba Woodward Mpc, Inc.
StatusACTIVE
Hardness Rating24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Style DesignatorCIRCULAR
Outside Diameter0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
Aperture Diameter0.276 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 416
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
299-4556-342A PRIMARY Mpc Products Corporation Dba Woodward Mpc, Inc. (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 5365-01-298-9752?

NSN 5365-01-298-9752 is a Spacer,plate, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 5365 (Bushings, Rings, Shims, and Spacers). Status: active.

What are the part numbers for NSN 5365-01-298-9752?

NSN 5365-01-298-9752 has 1 cross-referenced part number: 299-4556-342A (Mpc Products Corporation Dba Woodward Mpc, Inc.).

What are the specifications of 299-4556-342A?

Key specifications for 299-4556-342A: Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Style Designator: CIRCULAR; Outside Diameter: 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN; Aperture Diameter: 0.276 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-298-9752 hazardous material?

Hazard status is not stated in the government record for NSN 5365-01-298-9752 — 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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