PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177142-54X-88Stem,fluid Valve

Naval Ship Systems Command · NSN 4820-01-690-7660 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-690-7660 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-690-7660. Primary manufacturer part number: 803-2177142-54X-88.
Features
  • Stem,fluid Valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
  • 2 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-690-7660, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-690-7660
Primary Part Number803-2177142-54X-88
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-666-1560803-2177142-54X-88 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
803-2177142-54X-88 Naval Ship Systems Command (USA)
803-2177142-54X-88L1(SPC) Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-01-666-1560INTERCHANGEABLE
STEM,FLUID VALVE
803-2177142-54X-88

Frequently Asked Questions

What is NSN 4820-01-690-7660?

NSN 4820-01-690-7660 is a Stem,fluid Valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-690-7660?

NSN 4820-01-690-7660 has 2 cross-referenced part numbers: 803-2177142-54X-88 (Naval Ship Systems Command), 803-2177142-54X-88L1(SPC) (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-690-7660?

There is 1 known substitute for 4820-01-690-7660: 4820-01-666-1560. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177142-54X-88?

Key specifications for 803-2177142-54X-88: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. 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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