PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M49466/011TInsulator,washer

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-01-458-1858 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-458-1858 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-458-1858. Primary manufacturer part number: M49466/011T.
Features
  • Insulator,washer — FSC 5970
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-458-1858, 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. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-458-1858
Primary Part NumberM49466/011T
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5970-00-449-4900 INTERCHANGEABLE
Insulator,washer
5970-01-074-6857 INTERCHANGEABLE
Insulator,bushing
5970-01-087-2610 INTERCHANGEABLE
Insulator,bushing
5970-01-095-4617 INTERCHANGEABLE
Insulator,bushing
5970-01-098-8566 INTERCHANGEABLE
Insulator,bushing
5970-01-144-5919 INTERCHANGEABLE
Insulator,bushing
5970-01-489-7087 INTERCHANGEABLE
Insulator,bushing
Cross-Reference Index
Part NumberManufacturer
M49466/011T Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-49466/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-449-4900INTERCHANGEABLE
INSULATOR,WASHER
5970-01-074-6857INTERCHANGEABLE
INSULATOR,BUSHING
5970-01-087-2610INTERCHANGEABLE
INSULATOR,BUSHING
5970-01-095-4617INTERCHANGEABLE
INSULATOR,BUSHING
5970-01-098-8566INTERCHANGEABLE
INSULATOR,BUSHING
5970-01-144-5919INTERCHANGEABLE
INSULATOR,BUSHING
5970-01-489-7087INTERCHANGEABLE
INSULATOR,BUSHING

Frequently Asked Questions

What is NSN 5970-01-458-1858?

NSN 5970-01-458-1858 is a Insulator,washer, 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 5970-01-458-1858?

NSN 5970-01-458-1858 has 2 cross-referenced part numbers: M49466/011T (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-49466/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-01-458-1858?

There are 7 known substitutes for 5970-01-458-1858: 5970-00-449-4900, 5970-01-074-6857, 5970-01-087-2610 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M49466/011T?

Key specifications for M49466/011T: End Item Identification: JOINT STRS RD E/I FSCM 81349. 1 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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