PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40725Cover,access

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5340-00-321-2672 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-321-2672 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-321-2672. Primary manufacturer part number: 40725.
Features
  • Cover,access — FSC 5340
  • Distance From First Hole Centerline to End Along Width: 0.460 INCHES NOMINAL IN
  • Mounting Opening Shape Style: UNTHREADED HOLE
  • Material: MAGNESIUM
  • Length: 3.840 INCHES NOMINAL IN
  • Securing Device Type: THREADED FASTENER
  • Hole Diameter: 0.344 INCHES NOMINAL IN
  • Width: 3.760 INCHES NOMINAL IN
Applications
  • Applications requiring Magnesium construction
General Description

The Cover,access, cataloged under National Stock Number 5340-00-321-2672, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-321-2672
Primary Part Number40725
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusACTIVE
Distance From First Hole Centerline to End Along Width0.460 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
MaterialMAGNESIUM
Length3.840 INCHES NOMINAL IN
Securing Device TypeTHREADED FASTENER
Hole Diameter0.344 INCHES NOMINAL IN
Width3.760 INCHES NOMINAL IN
Distance From First Hole Centerline to End Along Length0.500 INCHES NOMINAL IN
FSC Application DataFUEL INJECTION PUMP,ENGINE ACCESSORY,NONAIRCRAFT
Inside Corner Radius0.120 INCHES NOMINAL IN
First Recess Inside Height0.120 INCHES NOMINAL IN
Distance Between Holes Along Width2.840 INCHES NOMINAL IN
Inside Diameter3.380 INCHES NOMINAL IN
Distance Between Holes Along Length2.840 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-423-2399 (40725)
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5340-01-423-239940725 SUCCESSOR
Clip,retaining
Multiton Mic Corporation Dba Multiton Mic Corporation
7040-00-008-1826 INTERCHANGEABLE
Diode Block Assembl
5315-00-104-5198 INTERCHANGEABLE
Pin,grooved
5950-00-632-6552 INTERCHANGEABLE
Transformer,radio Frequency
4820-00-738-845719438-14002-00 INTERCHANGEABLE
Seat,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5999-00-878-522210605259 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Us Army Aviation and Missile Command
5940-01-353-570240725 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5998-01-376-75284072-5 INTERCHANGEABLE
Retainer-Ejector,electrical Card
Trig-Tek, Incorporated
6850-01-526-3487 INTERCHANGEABLE
Antifogging Kit
Cross-Reference Index
Part NumberManufacturer
40725 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
SUCCESSOR 5340-01-423-2399 Clip,retaining · 40725
7040-00-008-1826INTERCHANGEABLE
DIODE BLOCK ASSEMBL
5315-00-104-5198INTERCHANGEABLE
PIN,GROOVED
5950-00-632-6552INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4820-00-738-8457INTERCHANGEABLE
SEAT,VALVE
19438-14002-00
5999-00-878-5222INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
10605259
5940-01-353-5702INTERCHANGEABLE
TERMINAL,LUG
40725
5998-01-376-7528INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
4072-5
6850-01-526-3487INTERCHANGEABLE
ANTIFOGGING KIT

Frequently Asked Questions

What is NSN 5340-00-321-2672?

NSN 5340-00-321-2672 is a Cover,access, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-321-2672?

NSN 5340-00-321-2672 has 1 cross-referenced part number: 40725 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 5340-00-321-2672?

There are 9 known substitutes for 5340-00-321-2672: 5340-01-423-2399, 7040-00-008-1826, 5315-00-104-5198 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40725?

Key specifications for 40725: Distance From First Hole Centerline to End Along Width: 0.460 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Material: MAGNESIUM; Length: 3.840 INCHES NOMINAL IN. 14 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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