PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-05328-0Stem,fluid Valve

Spence Engineering Co Inc Dba Nicholson Steam Trap · NSN 4820-01-050-1660 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-050-1660 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-050-1660. Primary manufacturer part number: 4-05328-0.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • Stem Actuating End Type: THREADED EXTERNALLY
  • 3 verified cross-references
  • Primary manufacturer: Spence Engineering Co Inc Dba Nicholson Steam Trap
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-050-1660, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spence Engineering Co Inc Dba Nicholson Steam Trap. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-050-1660
Primary Part Number4-05328-0
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpence Engineering Co Inc Dba Nicholson Steam Trap
StatusACTIVE
MaterialNICKEL ALLOY
Stem Actuating End TypeTHREADED EXTERNALLY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-010-3362103362 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-051-36824351 INTERCHANGEABLE
Bearing,washer,thrust
Weil Pump Co Inc
6625-00-089-479504351 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
5970-00-144-8190 INTERCHANGEABLE
Insulator,disk
5940-00-215-5959 INTERCHANGEABLE
Terminal Box
6105-00-239-9928B60018 INTERCHANGEABLE
Winding,motor Field
Aljers Llc
6105-00-246-7111D37010PC28 INTERCHANGEABLE
Winding,motor Field
Electric Boat Corporation Div General Dynamics Electric Boat
5996-00-428-3929697877-02 INTERCHANGEABLE
Amplifier,direct Current
Cae Usa Inc.
5805-00-708-2202 INTERCHANGEABLE
Switchboard,telephone,manual
5305-00-782-9495326-0999-00 INTERCHANGEABLE
Screw,cap,hexagon Head
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
9906-A Kretzer William
4351 Spence Engineering Co Inc Dba Nicholson Steam Trap (USA)
4-05328-0 PRIMARY Spence Engineering Co Inc Dba Nicholson Steam Trap (USA)
Related Parts
5315-00-010-3362INTERCHANGEABLE
PIN,COTTER
103362
3120-00-051-3682INTERCHANGEABLE
BEARING,WASHER,THRUST
4351
6625-00-089-4795INTERCHANGEABLE
AMMETER
04351
5970-00-144-8190INTERCHANGEABLE
INSULATOR,DISK
5940-00-215-5959INTERCHANGEABLE
TERMINAL BOX
6105-00-239-9928INTERCHANGEABLE
WINDING,MOTOR FIELD
B60018
6105-00-246-7111INTERCHANGEABLE
WINDING,MOTOR FIELD
D37010PC28
5996-00-428-3929INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
697877-02
5805-00-708-2202INTERCHANGEABLE
SWITCHBOARD,TELEPHONE,MANUAL
5305-00-782-9495INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
326-0999-00
5910-00-920-4805INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
10947162
5950-01-011-4243INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-413735

Frequently Asked Questions

What is NSN 4820-01-050-1660?

NSN 4820-01-050-1660 is a Stem,fluid Valve, manufactured by Spence Engineering Co Inc Dba Nicholson Steam Trap, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-050-1660?

NSN 4820-01-050-1660 has 3 cross-referenced part numbers: 9906-A (Kretzer William), 4351 (Spence Engineering Co Inc Dba Nicholson Steam Trap), 4-05328-0 (Spence Engineering Co Inc Dba Nicholson Steam Trap).

What NSN replaces 4820-01-050-1660?

There are 12 known substitutes for 4820-01-050-1660: 5315-00-010-3362, 3120-00-051-3682, 6625-00-089-4795 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-05328-0?

Key specifications for 4-05328-0: Overall Length: 4.781 INCHES NOMINAL IN; Material: NICKEL ALLOY; Stem Actuating End Type: THREADED EXTERNALLY. 3 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