PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1851Electron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-00-188-3921 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-188-3921 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-188-3921. Primary manufacturer part number: 1851.
Features
  • Electron Tube — FSC 5960
  • Nondefinitive Spec/std Data: 1851 TYPE
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-188-3921, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5960-00-188-3921
Primary Part Number1851
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data1851 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1730005-500-0001 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3110-00-117-05711851 INTERCHANGEABLE
Bearing,ball,annular
Pierce Co Inc the Sub of Avis Industrial Corp
5325-00-148-55091851 INTERCHANGEABLE
Stud,lock Pin Fastener
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3455-00-241-303817531 INTERCHANGEABLE
Cutter,milling,angle
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
1630-00-394-1598G185-1 INTERCHANGEABLE
Ring,wheel Flinger
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6150-00-424-60851851 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Mission Systems Davenport Inc.
2520-00-495-709818-5-1 INTERCHANGEABLE
Gear
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
3020-00-540-44491851 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5120-00-640-6725185-1X INTERCHANGEABLE
Bit,screwdriver
Apex Tool Group, Llc
4820-00-800-6156 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
1851 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-036-1730INTERCHANGEABLE
DISK,VALVE
005-500-0001
3110-00-117-0571INTERCHANGEABLE
BEARING,BALL,ANNULAR
1851
5325-00-148-5509INTERCHANGEABLE
STUD,LOCK PIN FASTENER
1851
3455-00-241-3038INTERCHANGEABLE
CUTTER,MILLING,ANGLE
17531
1630-00-394-1598INTERCHANGEABLE
RING,WHEEL FLINGER
G185-1
6150-00-424-6085INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1851
2520-00-495-7098INTERCHANGEABLE
GEAR
18-5-1
3020-00-540-4449INTERCHANGEABLE
GEAR,SPUR
1851
5120-00-640-6725INTERCHANGEABLE
BIT,SCREWDRIVER
185-1X
4820-00-800-6156INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-00-814-4581INTERCHANGEABLE
FITTING,LUBRICATION
1851
5999-00-986-7372INTERCHANGEABLE
DELAY LINE
712810-16REVA

Frequently Asked Questions

What is NSN 5960-00-188-3921?

NSN 5960-00-188-3921 is a Electron Tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-188-3921?

NSN 5960-00-188-3921 has 2 cross-referenced part numbers: 1851 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-188-3921?

There are 12 known substitutes for 5960-00-188-3921: 4820-00-036-1730, 3110-00-117-0571, 5325-00-148-5509 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1851?

Key specifications for 1851: Nondefinitive Spec/std Data: 1851 TYPE; Special Features: ENVELOPE MATERIAL: METAL. 2 total characteristics are documented in the Federal Logistics Information System.

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