PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1003Insulator,plate

Thermalloy Co Inc · NSN 5970-00-258-2313 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-258-2313 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-258-2313. Primary manufacturer part number: 1003.
Features
  • Insulator,plate — FSC 5970
  • Second Hole Diameter: 0.145 INCHES NOMINAL IN
  • First Side Radius: 0.525 INCHES NOMINAL IN
  • First Hole Diameter: 0.145 INCHES NOMINAL IN
  • Material: BERYLLIUM OXIDE OVERALL
  • Third Hole Diameter: 0.145 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • First Hole Spacing: 0.187 INCHES NOMINAL IN
Applications
  • Applications requiring Beryllium Oxide Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-00-258-2313, 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 Thermalloy Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 41 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-258-2313
Primary Part Number1003
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusCANCELLED
Second Hole Diameter0.145 INCHES NOMINAL IN
First Side Radius0.525 INCHES NOMINAL IN
First Hole Diameter0.145 INCHES NOMINAL IN
MaterialBERYLLIUM OXIDE OVERALL
Third Hole Diameter0.145 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
First Hole Spacing0.187 INCHES NOMINAL IN
First End Radius0.187 INCHES NOMINAL IN
Third Hole Spacing1.187 INCHES NOMINAL IN
Fourth Hole Diameter0.187 INCHES NOMINAL IN
Fourth Hole Spacing0.430 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2835-00-305-1344364960-1 INTERCHANGEABLE
Coupling,gas Generator and Acces
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5365-00-685-041830865 INTERCHANGEABLE
Bushing,nonmetallic
L3harris Technologies, Inc.
4720-00-974-8208106C5359P1 INTERCHANGEABLE
Hose Assembly,nonmetallic
General Electric Company
5999-01-003-608417736-2 INTERCHANGEABLE
Contact,electrical
Labinal Components and Systems Inc Cinch Military Aerospace Div
5970-01-090-6353 INTERCHANGEABLE
Insulator,plate
4820-01-301-6578 INTERCHANGEABLE
Valve,seatless
5330-01-351-796230865 INTERCHANGEABLE
Gasket
Pti Technologies Inc.
4210-01-362-556730865 INTERCHANGEABLE
Bracket,fire Extinguisher
Tyco Fire Products Lp
5995-01-440-9956 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5360-01-442-439446062-1 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
1003 Thermalloy Co Inc (USA)
BBT0-3-62 Holland Engraving Company, the Dba Holland Engineering Co (USA)
482085-1 Raytheon Company Div Corp (USA)
BBT0-3-62 Materion Brush Inc (USA)
1164AS179 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
5970002582313 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
482085-1 Raytheon Company Dba Raytheon Co (USA)
C7296-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
6403553-1 Honeywell International Inc. Dba Honeywell International (USA)
11441018 Us Army Aviation and Missile Command (USA)
8044277 L3 Technologies, Inc. Div Ocean Systems (USA)
4003 Voak Engineering Co Inc (USA)
364960-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
PC95037-1 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
10134198 Nimikkeistokeskus Ncb Finland (FIN)
861033-0001 Litton Systems Inc. Div Navigation Systems Division (USA)
919308-1 Raytheon Company Dba Raytheon (USA)
JCM-15405-001 Strike Weapons and Unmanned Aviation (USA)
2841028 Raytheon Company (USA)
12280116 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
2835-00-305-1344INTERCHANGEABLE
COUPLING,GAS GENERATOR AND ACCES
364960-1
5365-00-685-0418INTERCHANGEABLE
BUSHING,NONMETALLIC
30865
4720-00-974-8208INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
106C5359P1
5999-01-003-6084INTERCHANGEABLE
CONTACT,ELECTRICAL
17736-2
5970-01-090-6353INTERCHANGEABLE
INSULATOR,PLATE
4820-01-301-6578INTERCHANGEABLE
VALVE,SEATLESS
5330-01-351-7962INTERCHANGEABLE
GASKET
30865
4210-01-362-5567INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
30865
5995-01-440-9956INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5360-01-442-4394INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
46062-1
5305-01-630-4101INTERCHANGEABLE
SCREW ASSEMBLY,PANEL
11441-018

Frequently Asked Questions

What is NSN 5970-00-258-2313?

NSN 5970-00-258-2313 is a Insulator,plate, manufactured by Thermalloy Co Inc, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-258-2313?

NSN 5970-00-258-2313 has 50 cross-referenced part numbers: 1003 (Thermalloy Co Inc), BBT0-3-62 (Holland Engraving Company, the Dba Holland Engineering Co), 482085-1 (Raytheon Company Div Corp), BBT0-3-62 (Materion Brush Inc), 1164AS179 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier) and 45 more.

What NSN replaces 5970-00-258-2313?

There are 11 known substitutes for 5970-00-258-2313: 2835-00-305-1344, 5365-00-685-0418, 4720-00-974-8208 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1003?

Key specifications for 1003: Second Hole Diameter: 0.145 INCHES NOMINAL IN; First Side Radius: 0.525 INCHES NOMINAL IN; First Hole Diameter: 0.145 INCHES NOMINAL IN; Material: BERYLLIUM OXIDE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-258-2313 still in active supply?

NSN 5970-00-258-2313 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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