PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-N813374-1Diaphragm Support

Leeds and Northrup Co a Unit of General Signal Corp · NSN 4470-01-217-1211 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-217-1211 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-217-1211. Primary manufacturer part number: C-N813374-1.
Features
  • Diaphragm Support — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 7 verified cross-references
  • Primary manufacturer: Leeds and Northrup Co a Unit of General Signal Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm Support, cataloged under National Stock Number 4470-01-217-1211, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-01-217-1211
Primary Part NumberC-N813374-1
Item NameDiaphragm Support
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-01-197-2719 INTERCHANGEABLE
Diaphragm,special
3110-01-197-2791 INTERCHANGEABLE
Ball,bearing
5330-01-197-5562 INTERCHANGEABLE
Packing,preformed
3110-01-197-5569G-1012-K INTERCHANGEABLE
Ball,bearing
Waltron Bull & Roberts, Llc
3120-01-197-5570 INTERCHANGEABLE
Bearing,sleeve
5315-01-197-5657 INTERCHANGEABLE
Pin,straight,headless
5365-01-463-5814 INTERCHANGEABLE
Spacer,sleeve
Cross-Reference Index
Part NumberManufacturer
C-N813374-1 Leeds and Northrup Co a Unit of General Signal Corp (USA)
C-813374-1 Leeds and Northrup Co a Unit of General Signal Corp (USA)
C-N813374-1(OLD) Naval Inventory Control Point Mechanicsburg (USA)
A-236786 Leeds and Northrup Co a Unit of General Signal Corp (USA)
C-N813374-1(OLD) Lutz-Jesco America Corp (USA)
A-815930PC15 Leeds and Northrup Co a Unit of General Signal Corp (USA)
A-236786 PC 15 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
4320-01-197-2719INTERCHANGEABLE
DIAPHRAGM,SPECIAL
3110-01-197-2791INTERCHANGEABLE
BALL,BEARING
5330-01-197-5562INTERCHANGEABLE
PACKING,PREFORMED
3110-01-197-5569INTERCHANGEABLE
BALL,BEARING
G-1012-K
3120-01-197-5570INTERCHANGEABLE
BEARING,SLEEVE
5315-01-197-5657INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5365-01-463-5814INTERCHANGEABLE
SPACER,SLEEVE

Frequently Asked Questions

What is NSN 4470-01-217-1211?

NSN 4470-01-217-1211 is a Diaphragm Support, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-217-1211?

NSN 4470-01-217-1211 has 7 cross-referenced part numbers: C-N813374-1 (Leeds and Northrup Co a Unit of General Signal Corp), C-813374-1 (Leeds and Northrup Co a Unit of General Signal Corp), C-N813374-1(OLD) (Naval Inventory Control Point Mechanicsburg), A-236786 (Leeds and Northrup Co a Unit of General Signal Corp), C-N813374-1(OLD) (Lutz-Jesco America Corp) and 2 more.

What NSN replaces 4470-01-217-1211?

There are 7 known substitutes for 4470-01-217-1211: 4320-01-197-2719, 3110-01-197-2791, 5330-01-197-5562 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-N813374-1?

Key specifications for C-N813374-1: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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