PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-5348431-8Lockpin,valve

Naval Sea Systems Command · NSN 4470-00-889-2445 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-00-889-2445 — this item is cataloged by the U.S. Government under National Stock Number 4470-00-889-2445. Primary manufacturer part number: 820-5348431-8.
Features
  • Lockpin,valve — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 5 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Lockpin,valve, cataloged under National Stock Number 4470-00-889-2445, 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 Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-00-889-2445
Primary Part Number820-5348431-8
Item NameLockpin,valve
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-215-737824003 INTERCHANGEABLE
Key
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
820-5348431-8 Naval Sea Systems Command (USA)
B35996 Flowserve Corporation Div Flowserve Us Inc (USA)
820-4383514-8 Naval Ship Systems Command (USA)
820-4384327 Naval Sea Systems Command (USA)
820-4384327 Naval Ship Systems Command (USA)
Related Parts
5315-00-215-7378INTERCHANGEABLE
KEY
24003

Frequently Asked Questions

What is NSN 4470-00-889-2445?

NSN 4470-00-889-2445 is a Lockpin,valve, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-00-889-2445?

NSN 4470-00-889-2445 has 5 cross-referenced part numbers: 820-5348431-8 (Naval Sea Systems Command), B35996 (Flowserve Corporation Div Flowserve Us Inc), 820-4383514-8 (Naval Ship Systems Command), 820-4384327 (Naval Sea Systems Command), 820-4384327 (Naval Ship Systems Command).

What NSN replaces 4470-00-889-2445?

There is 1 known substitute for 4470-00-889-2445: 5315-00-215-7378. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-5348431-8?

Key specifications for 820-5348431-8: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; 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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