PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4B3-3Retainer,electron Tube

Birtcher Corp · NSN 5960-00-071-7486 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-071-7486 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-071-7486. Primary manufacturer part number: 4B3-3.
Features
  • Retainer,electron Tube — FSC 5960
  • Surface Treatment: CADMIUM
  • Material: COPPER ALLOY 170
  • Style Designator: CRADLE WITH BASE
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.078 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 170 construction
General Description

The Retainer,electron Tube, cataloged under National Stock Number 5960-00-071-7486, 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 Birtcher Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-071-7486
Primary Part Number4B3-3
Item NameRetainer,electron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerBirtcher Corp
StatusACTIVE
Surface TreatmentCADMIUM
MaterialCOPPER ALLOY 170
Style DesignatorCRADLE WITH BASE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.078 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Accommodated Item Securing Device TypeFRICTION FASTENER
Eia Electron Tube Envelope AccommodatedT3
Distance Between Mounting Facility Centers0.297 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-554-298311291 INTERCHANGEABLE
Bearing,ball,annular
Dressta North America Ltd
6210-01-033-069512817 INTERCHANGEABLE
Shield,lamp
L3 Technologies, Inc. Div L3 Keo
6150-01-173-960412817 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2520-01-196-913912817 INTERCHANGEABLE
Yoke Clutch
Dana Commercial Vehicle Products, Llc
6520-01-594-7014 INTERCHANGEABLE
File,pulp Canal,dental
Cross-Reference Index
Part NumberManufacturer
4B3-3 Birtcher Corp (USA)
12817 Tectron Corp (USA)
4B-3-3 Schroff Inc (USA)
Related Parts
3110-00-554-2983INTERCHANGEABLE
BEARING,BALL,ANNULAR
11291
6210-01-033-0695INTERCHANGEABLE
SHIELD,LAMP
12817
6150-01-173-9604INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12817
2520-01-196-9139INTERCHANGEABLE
YOKE CLUTCH
12817
6520-01-594-7014INTERCHANGEABLE
FILE,PULP CANAL,DENTAL

Frequently Asked Questions

What is NSN 5960-00-071-7486?

NSN 5960-00-071-7486 is a Retainer,electron Tube, manufactured by Birtcher Corp, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-071-7486?

NSN 5960-00-071-7486 has 3 cross-referenced part numbers: 4B3-3 (Birtcher Corp), 12817 (Tectron Corp), 4B-3-3 (Schroff Inc).

What NSN replaces 5960-00-071-7486?

There are 5 known substitutes for 5960-00-071-7486: 3110-00-554-2983, 6210-01-033-0695, 6150-01-173-9604 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4B3-3?

Key specifications for 4B3-3: Overall Length: 1.330 INCHES NOMINAL IN; Surface Treatment: CADMIUM; Material: COPPER ALLOY 170; Style Designator: CRADLE WITH BASE. 13 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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