PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS19786TYPEBCLASS07Retainer,electrical Shield

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-00-752-6638 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-752-6638 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-752-6638. Primary manufacturer part number: MILS19786TYPEBCLASS07.
Features
  • Retainer,electrical Shield — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Style Designator: CYLINDRICAL W/RECTANGULAR OR SQUARE BASE
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Distance Between Mounting Facility Centers: 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Accommodated Item Securing Device Type: TWIST LOCK
  • Material: COPPER ALLOY
  • Overall Diameter: 0.800 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Retainer,electrical Shield, cataloged under National Stock Number 5999-00-752-6638, is classified within Federal Supply Class 5999 (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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-752-6638
Primary Part NumberMILS19786TYPEBCLASS07
Item NameRetainer,electrical Shield
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Style DesignatorCYLINDRICAL W/RECTANGULAR OR SQUARE BASE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Distance Between Mounting Facility Centers0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Accommodated Item Securing Device TypeTWIST LOCK
MaterialCOPPER ALLOY
Overall Diameter0.800 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Style DesignatorCYLINDRICAL W/RECTANGULAR OR SQUARE BASE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Distance Between Mounting Facility Centers0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Accommodated Item Securing Device TypeTWIST LOCK
MaterialCOPPER ALLOY
Overall Diameter0.800 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 10
5960-00-082-3987 INTERCHANGEABLE
Shield,electron Tube
5960-00-082-4008 INTERCHANGEABLE
Shield,electron Tube
5960-00-681-9781 INTERCHANGEABLE
Shield,electron Tube
5960-00-681-9784 INTERCHANGEABLE
Shield,electron Tube
5960-00-752-5745 INTERCHANGEABLE
Shield,electron Tube
5960-00-752-5747 INTERCHANGEABLE
Shield,electron Tube
5960-00-752-5751 INTERCHANGEABLE
Shield,electron Tube
5960-00-761-7808 INTERCHANGEABLE
Shield,electron Tube
5960-00-849-4334 INTERCHANGEABLE
Insert,electron Tube Shield
7510-01-280-251827222 INTERCHANGEABLE
Refill,a to Z Directory
Franklin Covey Co. Div Catalog/web Sales Inc.
Cross-Reference Index
Part NumberManufacturer
MILS19786TYPEBCLASS07 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BCLASS07 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19786 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B07 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5960-00-082-3987INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-082-4008INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-681-9781INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-681-9784INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-752-5745INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-752-5747INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-752-5751INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-761-7808INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5960-00-849-4334INTERCHANGEABLE
INSERT,ELECTRON TUBE SHIELD
7510-01-280-2518INTERCHANGEABLE
REFILL,A TO Z DIRECTORY
27222

Frequently Asked Questions

What is NSN 5999-00-752-6638?

NSN 5999-00-752-6638 is a Retainer,electrical Shield, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-752-6638?

NSN 5999-00-752-6638 has 4 cross-referenced part numbers: MILS19786TYPEBCLASS07 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), BCLASS07 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19786 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B07 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-00-752-6638?

There are 10 known substitutes for 5999-00-752-6638: 5960-00-082-3987, 5960-00-082-4008, 5960-00-681-9781 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS19786TYPEBCLASS07?

Key specifications for MILS19786TYPEBCLASS07: Overall Width: 0.900 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Style Designator: CYLINDRICAL W/RECTANGULAR OR SQUARE BASE; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-752-6638 still in active supply?

NSN 5999-00-752-6638 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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