PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2123-5 PIECE 5Stem,valve

Flowserve Corporation Div Flowserve Us Inc · NSN 4820-01-072-2380 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-072-2380 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-072-2380. Primary manufacturer part number: 2123-5 PIECE 5.
Features
  • Stem,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSUP CONTROL INSTRUCTION FOR SURFACE LEVEL ITEMS
  • 4 verified cross-references
  • Primary manufacturer: Flowserve Corporation Div Flowserve Us Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,valve, cataloged under National Stock Number 4820-01-072-2380, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corporation Div Flowserve Us Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-072-2380
Primary Part Number2123-5 PIECE 5
Item NameStem,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corporation Div Flowserve Us Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsQUALITY CONTROL IAW NAVSUP CONTROL INSTRUCTION FOR SURFACE LEVEL ITEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-01-304-3734212354 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
5315-01-505-9322212354 INTERCHANGEABLE
Pin,lock
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
2123-5 PIECE 5 Flowserve Corporation Div Flowserve Us Inc (USA)
2123-5-4S1 Naval Inventory Control Point Mechanicsburg (USA)
2123-5 PIECE 5S1 Naval Inventory Control Point Mechanicsburg (USA)
2123-5-4 Anchor Equipment Co Inc (USA)
Related Parts
5930-01-304-3734INTERCHANGEABLE
SWITCH,THERMOSTATIC
212354
5315-01-505-9322INTERCHANGEABLE
PIN,LOCK
212354

Frequently Asked Questions

What is NSN 4820-01-072-2380?

NSN 4820-01-072-2380 is a Stem,valve, manufactured by Flowserve Corporation Div Flowserve Us Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-072-2380?

NSN 4820-01-072-2380 has 4 cross-referenced part numbers: 2123-5 PIECE 5 (Flowserve Corporation Div Flowserve Us Inc), 2123-5-4S1 (Naval Inventory Control Point Mechanicsburg), 2123-5 PIECE 5S1 (Naval Inventory Control Point Mechanicsburg), 2123-5-4 (Anchor Equipment Co Inc).

What NSN replaces 4820-01-072-2380?

There are 2 known substitutes for 4820-01-072-2380: 5930-01-304-3734, 5315-01-505-9322. Verify interchangeability with system specifications before substitution.

What are the specifications of 2123-5 PIECE 5?

Key specifications for 2123-5 PIECE 5: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSUP CONTROL INSTRUCTION FOR SURFACE LEVEL ITEMS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com