PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21492-2Bracket,heat Sink

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5999-01-100-7215 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-100-7215 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-100-7215. Primary manufacturer part number: 21492-2.
Features
  • Bracket,heat Sink — FSC 5999
  • General Characteristics Item Description: ALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN
  • General Characteristics Item Description: ALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN
  • 3 verified cross-references
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bracket,heat Sink, cataloged under National Stock Number 5999-01-100-7215, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN5999-01-100-7215
Primary Part Number21492-2
Item NameBracket,heat Sink
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN
General Characteristics Item DescriptionALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6625-00-463-4358G440405 SUCCESSOR
Ammeter
Meggitt Troy Inc
5999-01-100-597421492-1 SUCCESSOR
Bracket Assembly,heat Sink
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5998-01-540-3707220 494 SUCCESSOR
Circuit Card Assembly
Miller Electric Mfg. Llc
5110-00-186-4190 INTERCHANGEABLE
Reamer,hand
2520-00-264-72471-14-29 INTERCHANGEABLE
Cap,dust,propeller Shaft
Dana Corp Spicer Transmission Div
2520-00-400-6453121950 INTERCHANGEABLE
Drive Cover,impeller
Dressta North America Ltd
2010-00-938-334921492 INTERCHANGEABLE
Yoke End,landing Cr
Industrial Technologies and Services Llc
3020-00-951-3642 INTERCHANGEABLE
Gear,worm
5985-01-114-330821492 INTERCHANGEABLE
Plate
Ward Leonard Ct Llc
6150-01-544-4339214922 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
21492A Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21492 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21492-2 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
6625-00-463-4358SUCCESSOR
AMMETER
G440405
5999-01-100-5974SUCCESSOR
BRACKET ASSEMBLY,HEAT SINK
21492-1
5998-01-540-3707SUCCESSOR
CIRCUIT CARD ASSEMBLY
220 494
5110-00-186-4190INTERCHANGEABLE
REAMER,HAND
2520-00-264-7247INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
1-14-29
2520-00-400-6453INTERCHANGEABLE
DRIVE COVER,IMPELLER
121950
2010-00-938-3349INTERCHANGEABLE
YOKE END,LANDING CR
21492
3020-00-951-3642INTERCHANGEABLE
GEAR,WORM
5985-01-114-3308INTERCHANGEABLE
PLATE
21492
6150-01-544-4339INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
214922

Frequently Asked Questions

What is NSN 5999-01-100-7215?

NSN 5999-01-100-7215 is a Bracket,heat Sink, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-100-7215?

NSN 5999-01-100-7215 has 3 cross-referenced part numbers: 21492A (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21492 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21492-2 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5999-01-100-7215?

There are 10 known substitutes for 5999-01-100-7215: 6625-00-463-4358, 5999-01-100-5974, 5998-01-540-3707 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21492-2?

Key specifications for 21492-2: General Characteristics Item Description: ALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN; End Item Identification: WEAPON CONTROL PANEL; General Characteristics Item Description: ALUMINUM ALLOY 2024-T3,4.125 IN. LG,0.675 IN W,FINISH,CHEMICAL FILM PER MIL-C-5541 IN; End Item Identification: WEAPON CONTROL PANEL. 4 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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