PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A9588Cover,access

Abrams Instrument Corporation · NSN 5340-00-398-1645 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-398-1645 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-398-1645. Primary manufacturer part number: A9588.
Features
  • Cover,access — FSC 5340
  • Cross-Sectional Shape Style: SPHERICAL RECESS
  • Flange Thickness: 0.020 INCHES NOMINAL IN
  • Inside Corner Radius: 2.000 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND, MULTI HOLES
  • Securing Device Type: THREADED FASTENER
  • Outside Diameter: 1.498 INCHES NOMINAL IN
  • Bolt Circle Diameter: 1.375 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Cover,access, cataloged under National Stock Number 5340-00-398-1645, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Abrams Instrument Corporation. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-398-1645
Primary Part NumberA9588
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAbrams Instrument Corporation
StatusACTIVE
Cross-Sectional Shape StyleSPHERICAL RECESS
Flange Thickness0.020 INCHES NOMINAL IN
Inside Corner Radius2.000 INCHES NOMINAL IN
Peripheral Shape StyleROUND, MULTI HOLES
Securing Device TypeTHREADED FASTENER
Outside Diameter1.498 INCHES NOMINAL IN
Bolt Circle Diameter1.375 INCHES NOMINAL IN
Inside Diameter1.186 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
First Recess Inside Height0.195 INCHES NOMINAL IN
Hole Diameter0.064 INCHES NOMINAL IN
Body Thickness0.020 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
Features ProvidedSEALING CAPABILITY
Bolt Circle Hole Quantity3
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5977-00-284-7634167992-3 INTERCHANGEABLE
Brush,electrical Contact
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
A9588 Abrams Instrument Corporation (USA)
Related Parts
5977-00-284-7634INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
167992-3

Frequently Asked Questions

What is NSN 5340-00-398-1645?

NSN 5340-00-398-1645 is a Cover,access, manufactured by Abrams Instrument Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-398-1645?

NSN 5340-00-398-1645 has 1 cross-referenced part number: A9588 (Abrams Instrument Corporation).

What NSN replaces 5340-00-398-1645?

There is 1 known substitute for 5340-00-398-1645: 5977-00-284-7634. Verify interchangeability with system specifications before substitution.

What are the specifications of A9588?

Key specifications for A9588: Cross-Sectional Shape Style: SPHERICAL RECESS; Flange Thickness: 0.020 INCHES NOMINAL IN; Inside Corner Radius: 2.000 INCHES NOMINAL IN; Peripheral Shape Style: ROUND, MULTI HOLES. 16 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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