PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9451-111PC125Seal,switch

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 4470-01-005-8903 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-005-8903 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-005-8903. Primary manufacturer part number: 9451-111PC125.
Features
  • Seal,switch — FSC 4470
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 4 verified cross-references
  • Primary manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal,switch, cataloged under National Stock Number 4470-01-005-8903, 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 Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4470-01-005-8903
Primary Part Number9451-111PC125
Item NameSeal,switch
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-01-351-0643BTWP1030 INTERCHANGEABLE
Boot,dust and Moisture Seal
Compass Water Solutions, Inc
Cross-Reference Index
Part NumberManufacturer
9451-111PC125 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
SWIAN1030 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
SWAIN1030 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
SWIAN1030 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5930-01-351-0643INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
BTWP1030

Frequently Asked Questions

What is NSN 4470-01-005-8903?

NSN 4470-01-005-8903 is a Seal,switch, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-005-8903?

NSN 4470-01-005-8903 has 4 cross-referenced part numbers: 9451-111PC125 (Huntington Ingalls Inc Div Newport News Shipbuilding), SWIAN1030 (Huntington Ingalls Inc Div Newport News Shipbuilding), SWAIN1030 (Huntington Ingalls Inc Div Newport News Shipbuilding), SWIAN1030 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4470-01-005-8903?

There is 1 known substitute for 4470-01-005-8903: 5930-01-351-0643. Verify interchangeability with system specifications before substitution.

What are the specifications of 9451-111PC125?

Key specifications for 9451-111PC125: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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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