PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-3862Sleeve,insulating

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5977-00-954-0465 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-954-0465 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-954-0465. Primary manufacturer part number: 30-3862.
Features
  • Sleeve,insulating — FSC 5977
  • 2 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sleeve,insulating, cataloged under National Stock Number 5977-00-954-0465, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSleeve,insulating
FSC / FSG5977 — No Item Name Available (FSG 59)
ManufacturersDonallco Inc (CAGE 56705); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)
Technical Specifications
ParameterValue
NSN5977-00-954-0465
Primary Part Number30-3862
Item NameSleeve,insulating
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2990-00-456-5510303862 INTERCHANGEABLE
Plate,exhaust
Brp Us Inc
5331-00-584-0263101-02300 INTERCHANGEABLE
O-Ring
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
30-3862 Donallco Inc (USA)
30-3862 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
2990-00-456-5510INTERCHANGEABLE
PLATE,EXHAUST
303862
5331-00-584-0263INTERCHANGEABLE
O-RING
101-02300

Frequently Asked Questions

What is NSN 5977-00-954-0465?

NSN 5977-00-954-0465 is a Sleeve,insulating, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-954-0465?

NSN 5977-00-954-0465 has 2 cross-referenced part numbers: 30-3862 (Donallco Inc), 30-3862 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 5977-00-954-0465?

There are 2 known substitutes for 5977-00-954-0465: 2990-00-456-5510, 5331-00-584-0263. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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