PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120128Guide,valve Stem

Huck International, Inc. Div Kingston Operations · NSN 4820-01-521-6404 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-521-6404 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-521-6404. Primary manufacturer part number: 120128.
Features
  • Guide,valve Stem — FSC 4820
  • Style Designator: PLAIN-SHOULDERED
  • 1 verified cross-reference
  • Primary manufacturer: Huck International, Inc. Div Kingston Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-521-6404, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huck International, Inc. Div Kingston Operations. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-521-6404
Primary Part Number120128
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuck International, Inc. Div Kingston Operations
StatusACTIVE
Style DesignatorPLAIN-SHOULDERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5970-00-241-540600Z1247 INTERCHANGEABLE
Insulating Compound,electrical
Newark Electronics Corporation Dba Newark
5325-00-955-9438120128 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace, Llc Dba Jackson South
5930-01-132-8822120128 INTERCHANGEABLE
Guard,switch
Safran Power Usa, Llc
6515-01-153-5488SDJ7980651 INTERCHANGEABLE
Support,knee
Medline Industries, Lp
5310-01-430-71690244177A01 INTERCHANGEABLE
Nut,self-Locking,hexagon
Prestolite Electric Inc
5930-01-441-8055302224 INTERCHANGEABLE
Shield,switch
Otto Engineering Inc
6145-01-616-88571201-2801 INTERCHANGEABLE
Wire,electrical
Consolidated Electrical Distributors, Inc. Dba All Phase Electric Supply
Cross-Reference Index
Part NumberManufacturer
120128 PRIMARY Huck International, Inc. Div Kingston Operations (USA)
Related Parts
5970-00-241-5406INTERCHANGEABLE
INSULATING COMPOUND,ELECTRICAL
00Z1247
5325-00-955-9438INTERCHANGEABLE
RING,RETAINING
120128
5930-01-132-8822INTERCHANGEABLE
GUARD,SWITCH
120128
6515-01-153-5488INTERCHANGEABLE
SUPPORT,KNEE
SDJ7980651
5310-01-430-7169INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
0244177A01
5930-01-441-8055INTERCHANGEABLE
SHIELD,SWITCH
302224
6145-01-616-8857INTERCHANGEABLE
WIRE,ELECTRICAL
1201-2801

Frequently Asked Questions

What is NSN 4820-01-521-6404?

NSN 4820-01-521-6404 is a Guide,valve Stem, manufactured by Huck International, Inc. Div Kingston Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-521-6404?

NSN 4820-01-521-6404 has 1 cross-referenced part number: 120128 (Huck International, Inc. Div Kingston Operations).

What NSN replaces 4820-01-521-6404?

There are 7 known substitutes for 4820-01-521-6404: 5970-00-241-5406, 5325-00-955-9438, 5930-01-132-8822 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120128?

Key specifications for 120128: Style Designator: PLAIN-SHOULDERED; End Item Identification: VALVE, BALL; Special Features: MODEL 256 CAN INSTALL UP TO 3/8 INCH STEEL MAGNA-GRIP FASTENERS. WEIGHT 11.1 POUNDS LBS. 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