PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D956Valve,regulating,temperature

Insinger Machine Co · NSN 4820-00-689-1204 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-689-1204 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-689-1204. Primary manufacturer part number: D956.
Features
  • Valve,regulating,temperature — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Insinger Machine Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-689-1204, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Insinger Machine Co. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,regulating,temperature
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeonard Valve Company (CAGE 35764); Insinger Machine Co (CAGE 30793)
Technical Specifications
ParameterValue
NSN4820-00-689-1204
Primary Part NumberD956
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerInsinger Machine Co
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2915-00-064-056043114 INTERCHANGEABLE
Parts Kit,valve,ove
Meggitt North Hollywood Inc
2540-00-136-8754 INTERCHANGEABLE
Seat,vehicular
3110-00-143-2992G4Y17 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5120-00-247-08685120-00-247-0868 INTERCHANGEABLE
Tweezers,craftsman's
General Services Administration Federal Supply Service
6810-00-264-6633 INTERCHANGEABLE
Potassium Ferrocyanide
5330-00-352-5902 INTERCHANGEABLE
Seal,plain Encased
5670-01-008-821743-1 1-4 INTERCHANGEABLE
Flange,railing
Hollaender Manufacturing Co
6625-01-294-76694311B-4 INTERCHANGEABLE
Divider,power,radio Frequency
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
DWS1 Leonard Valve Company (USA)
50SA9PC35 Insinger Machine Co (USA)
43114 Insinger Machine Co (USA)
D956 PRIMARY Insinger Machine Co (USA)
50SA10PC35 Insinger Machine Co (USA)
Related Parts
2915-00-064-0560INTERCHANGEABLE
PARTS KIT,VALVE,OVE
43114
2540-00-136-8754INTERCHANGEABLE
SEAT,VEHICULAR
3110-00-143-2992INTERCHANGEABLE
BEARING,BALL,ANNULAR
G4Y17
5120-00-247-0868INTERCHANGEABLE
TWEEZERS,CRAFTSMAN'S
5120-00-247-0868
6810-00-264-6633INTERCHANGEABLE
POTASSIUM FERROCYANIDE
5330-00-352-5902INTERCHANGEABLE
SEAL,PLAIN ENCASED
5670-01-008-8217INTERCHANGEABLE
FLANGE,RAILING
43-1 1-4
6625-01-294-7669INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
4311B-4

Frequently Asked Questions

What is NSN 4820-00-689-1204?

NSN 4820-00-689-1204 is a Valve,regulating,temperature, manufactured by Insinger Machine Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-689-1204?

NSN 4820-00-689-1204 has 5 cross-referenced part numbers: DWS1 (Leonard Valve Company), 50SA9PC35 (Insinger Machine Co), 43114 (Insinger Machine Co), D956 (Insinger Machine Co), 50SA10PC35 (Insinger Machine Co).

What NSN replaces 4820-00-689-1204?

There are 8 known substitutes for 4820-00-689-1204: 2915-00-064-0560, 2540-00-136-8754, 3110-00-143-2992 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-689-1204 still in active supply?

NSN 4820-00-689-1204 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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