PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-49466/2Insulator,plate

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-01-450-3621 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-450-3621 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-450-3621. Primary manufacturer part number: MIL-I-49466/2.
Features
  • Insulator,plate — FSC 5970
  • First Side Radius: 0.550 INCHES NOMINAL IN
  • Fifth Hole Spacing: 0.215 INCHES NOMINAL IN
  • Fourth Hole Spacing: 0.430 INCHES NOMINAL IN
  • Material: OVERALL SILICONE RUBBER, FIBERGLASS REINFORCED, MIL-I-49456, TYPE 1
  • First Hole Spacing: 0.203 INCHES NOMINAL IN
  • Second Hole Diameter: 0.062 INCHES NOMINAL IN
  • Third Hole Spacing: 1.187 INCHES NOMINAL IN
Applications
  • Applications requiring Overall Silicone Rubber, Fiberglass Reinforced, Mil-I-49456, Type 1 construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-450-3621, is classified within Federal Supply Class 5970 (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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-450-3621
Primary Part NumberMIL-I-49466/2
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
First Side Radius0.550 INCHES NOMINAL IN
Fifth Hole Spacing0.215 INCHES NOMINAL IN
Fourth Hole Spacing0.430 INCHES NOMINAL IN
MaterialOVERALL SILICONE RUBBER, FIBERGLASS REINFORCED, MIL-I-49456, TYPE 1
First Hole Spacing0.203 INCHES NOMINAL IN
Second Hole Diameter0.062 INCHES NOMINAL IN
Third Hole Spacing1.187 INCHES NOMINAL IN
Second Hole Spacing0.522 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
First Hole Diameter0.156 INCHES NOMINAL IN
First End Radius0.203 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5342-00-947-7056DS-920410 INTERCHANGEABLE
Protector Shaft
Eaton Aerospace, Llc Dba Jackson South
2590-01-419-6398920410 INTERCHANGEABLE
Cap,filler Opening
Clark Material Handling Company
3040-01-422-1886 INTERCHANGEABLE
Shaft,straight
Cross-Reference Index
Part NumberManufacturer
MIL-I-49466/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M49466/02-008R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
920410 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5342-00-947-7056INTERCHANGEABLE
PROTECTOR SHAFT
DS-920410
2590-01-419-6398INTERCHANGEABLE
CAP,FILLER OPENING
920410
3040-01-422-1886INTERCHANGEABLE
SHAFT,STRAIGHT

Frequently Asked Questions

What is NSN 5970-01-450-3621?

NSN 5970-01-450-3621 is a Insulator,plate, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-450-3621?

NSN 5970-01-450-3621 has 3 cross-referenced part numbers: MIL-I-49466/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M49466/02-008R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 920410 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5970-01-450-3621?

There are 3 known substitutes for 5970-01-450-3621: 5342-00-947-7056, 2590-01-419-6398, 3040-01-422-1886. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-49466/2?

Key specifications for MIL-I-49466/2: Overall Width: 1.100 INCHES NOMINAL IN; First Side Radius: 0.550 INCHES NOMINAL IN; Fifth Hole Spacing: 0.215 INCHES NOMINAL IN; Fourth Hole Spacing: 0.430 INCHES NOMINAL IN. 14 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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