PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21045Cover,access

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5340-01-100-4897 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-100-4897 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-100-4897. Primary manufacturer part number: 21045.
Features
  • Cover,access — FSC 5340
  • Cross-Sectional Shape Style: FLAT
  • Material Document and Classification: QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY 2024
  • Length: 8.870 INCHES MINIMUM AND 8.880 INCHES MAXIMUM IN
  • Body Thickness: 0.094 INCHES NOMINAL IN
  • Width: 7.485 INCHES MINIMUM AND 7.495 INCHES MAXIMUM IN
  • 2 verified cross-references
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Cover,access, cataloged under National Stock Number 5340-01-100-4897, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5340-01-100-4897
Primary Part Number21045
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Cross-Sectional Shape StyleFLAT
Material Document and ClassificationQQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 2024
Length8.870 INCHES MINIMUM AND 8.880 INCHES MAXIMUM IN
Body Thickness0.094 INCHES NOMINAL IN
Width7.485 INCHES MINIMUM AND 7.495 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6150-00-004-455421045 INTERCHANGEABLE
Bus,conductor
Methode Electronics Inc Div Power Solutions Group
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5325-00-841-0265 INTERCHANGEABLE
Ring,retaining
1420-00-906-6291PS843900000F1 INTERCHANGEABLE
Socket Flare
Lockheed Martin Corporation Div Rotary and Mission Systems
5945-01-050-688021-045 INTERCHANGEABLE
Relay,hybrid
Te Connectivity Corporation
5315-01-166-202521045 INTERCHANGEABLE
Spring Pin
Paccar Winch Inc Dba Paccar Winch Division
5305-01-212-3450H12-0002-206 INTERCHANGEABLE
Screw,machine
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5950-01-215-67135586846 INTERCHANGEABLE
Transformer,power
Naval Sea Systems Command
5950-01-296-878921045 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
6515-01-592-879764029-CB INTERCHANGEABLE
Module,backpack,medical
Tryco Incorporated Dba Tryco Inc
Cross-Reference Index
Part NumberManufacturer
21045G Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21045 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
6150-00-004-4554INTERCHANGEABLE
BUS,CONDUCTOR
21045
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
5325-00-841-0265INTERCHANGEABLE
RING,RETAINING
1420-00-906-6291INTERCHANGEABLE
SOCKET FLARE
PS843900000F1
5945-01-050-6880INTERCHANGEABLE
RELAY,HYBRID
21-045
5315-01-166-2025INTERCHANGEABLE
SPRING PIN
21045
5305-01-212-3450INTERCHANGEABLE
SCREW,MACHINE
H12-0002-206
5950-01-215-6713INTERCHANGEABLE
TRANSFORMER,POWER
5586846
5950-01-296-8789INTERCHANGEABLE
TRANSFORMER,POWER
21045
6515-01-592-8797INTERCHANGEABLE
MODULE,BACKPACK,MEDICAL
64029-CB

Frequently Asked Questions

What is NSN 5340-01-100-4897?

NSN 5340-01-100-4897 is a Cover,access, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-100-4897?

NSN 5340-01-100-4897 has 2 cross-referenced part numbers: 21045G (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21045 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5340-01-100-4897?

There are 10 known substitutes for 5340-01-100-4897: 6150-00-004-4554, 3110-00-144-8668, 5325-00-841-0265 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21045?

Key specifications for 21045: Cross-Sectional Shape Style: FLAT; Material Document and Classification: QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE; Material: ALUMINUM ALLOY 2024; Length: 8.870 INCHES MINIMUM AND 8.880 INCHES MAXIMUM IN. 6 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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