PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20128Stop,valve,delivery

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4820-01-202-9609 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-202-9609 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-202-9609. Primary manufacturer part number: 20128.
Features
  • Stop,valve,delivery — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stop,valve,delivery, cataloged under National Stock Number 4820-01-202-9609, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStop,valve,delivery
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (CAGE 84760)
Technical Specifications
ParameterValue
NSN4820-01-202-9609
Primary Part Number20128
Item NameStop,valve,delivery
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4310-00-097-0941 INTERCHANGEABLE
Head
5310-00-173-011720-128 INTERCHANGEABLE
Nut,self-Locking,single Ball Sea
Motorola Automotive Electronics
5133-00-228-1377 INTERCHANGEABLE
Drill,twist
5930-00-263-6957S228-1028ISSUE3 INTERCHANGEABLE
Switch,sensitive
Raytheon Company Dba Raytheon Co
5360-01-076-286720-128 INTERCHANGEABLE
Spring
Stewart & Stevenson Power Products Llc
5995-01-220-5602 INTERCHANGEABLE
Lead,electrical
4920-01-300-1917 INTERCHANGEABLE
Test Program Set
4820-01-333-026020128 INTERCHANGEABLE
Disk,valve
Stanadyne Corporation Dba Stanadyne Diesel Systems
3040-01-525-636720128 INTERCHANGEABLE
Spindle,mechanically Actuated
B.w. Elliott Manufacturing Co., Llc
2090-01-564-0038201-28 INTERCHANGEABLE
Bladder,accumulator,hydraulic
Blacoh Fluid Controls Inc
Cross-Reference Index
Part NumberManufacturer
20128 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
4310-00-097-0941INTERCHANGEABLE
HEAD
5310-00-173-0117INTERCHANGEABLE
NUT,SELF-LOCKING,SINGLE BALL SEA
20-128
5133-00-228-1377INTERCHANGEABLE
DRILL,TWIST
5930-00-263-6957INTERCHANGEABLE
SWITCH,SENSITIVE
S228-1028ISSUE3
5360-01-076-2867INTERCHANGEABLE
SPRING
20-128
5995-01-220-5602INTERCHANGEABLE
LEAD,ELECTRICAL
4920-01-300-1917INTERCHANGEABLE
TEST PROGRAM SET
4820-01-333-0260INTERCHANGEABLE
DISK,VALVE
20128
3040-01-525-6367INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
20128
2090-01-564-0038INTERCHANGEABLE
BLADDER,ACCUMULATOR,HYDRAULIC
201-28
6695-01-732-6641INTERCHANGEABLE
TRANSDUCER,PRESSURE,FLUID-HYDRAU
20128

Frequently Asked Questions

What is NSN 4820-01-202-9609?

NSN 4820-01-202-9609 is a Stop,valve,delivery, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-202-9609?

NSN 4820-01-202-9609 has 1 cross-referenced part number: 20128 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 4820-01-202-9609?

There are 11 known substitutes for 4820-01-202-9609: 4310-00-097-0941, 5310-00-173-0117, 5133-00-228-1377 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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