PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5921Electron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-00-248-1271 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-248-1271 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-248-1271. Primary manufacturer part number: 5921.
Features
  • Electron Tube — FSC 5960
  • Nondefinitive Spec/std Data: 5921 TYPE
  • Envelope Medium Type: GAS
  • 4 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 5960-00-248-1271, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5960-00-248-1271
Primary Part Number5921
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 Data5921 TYPE
Envelope Medium TypeGAS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-054-2040 INTERCHANGEABLE
Junction Box
5960-00-248-1270 INTERCHANGEABLE
Electron Tube
6685-00-255-99818371 INTERCHANGEABLE
Thermometer,self-Indicating
Alter Harry Co the Div of T E C
9390-00-359-0241FC5921 INTERCHANGEABLE
Bellows,protection
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6210-00-491-0766436BR INTERCHANGEABLE
Fixture,lighting
Tinely Lighting Inc
3455-00-517-864357310 INTERCHANGEABLE
Cutter,milling,end
Morse Cutting Tools Div of Morse Cutting Tools Corp
5895-00-999-2434SM-D-546872 INTERCHANGEABLE
Case,electronic Communications E
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-01-010-10935921 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-01-120-12865921 INTERCHANGEABLE
Washer
The Gorman-Rupp Company Div Gorman-Rupp
5310-01-158-715110505774 INTERCHANGEABLE
Washer,flat
General Dynamics Land Systems Canadacorp
Cross-Reference Index
Part NumberManufacturer
5921 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-1/607 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7599345 Us Army Aviation and Missile Command (USA)
MIL-E-1/607 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5975-00-054-2040INTERCHANGEABLE
JUNCTION BOX
5960-00-248-1270INTERCHANGEABLE
ELECTRON TUBE
6685-00-255-9981INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
8371
9390-00-359-0241INTERCHANGEABLE
BELLOWS,PROTECTION
FC5921
6210-00-491-0766INTERCHANGEABLE
FIXTURE,LIGHTING
436BR
3455-00-517-8643INTERCHANGEABLE
CUTTER,MILLING,END
57310
5895-00-999-2434INTERCHANGEABLE
CASE,ELECTRONIC COMMUNICATIONS E
SM-D-546872
5935-01-010-1093INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5921
5310-01-120-1286INTERCHANGEABLE
WASHER
5921
5310-01-158-7151INTERCHANGEABLE
WASHER,FLAT
10505774
6615-01-247-3319INTERCHANGEABLE
LIQUID WITHDRAWL DE
6515-01-322-2105INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
5921

Frequently Asked Questions

What is NSN 5960-00-248-1271?

NSN 5960-00-248-1271 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 5960-00-248-1271?

NSN 5960-00-248-1271 has 4 cross-referenced part numbers: 5921 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-1/607 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7599345 (Us Army Aviation and Missile Command), MIL-E-1/607 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-248-1271?

There are 12 known substitutes for 5960-00-248-1271: 5975-00-054-2040, 5960-00-248-1270, 6685-00-255-9981 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5921?

Key specifications for 5921: Special Features: MFTR. CLASSIFICATION:SWITCHING; ENVELOPE MATERIAL:METAL; Nondefinitive Spec/std Data: 5921 TYPE; Envelope Medium Type: GAS. 3 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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