PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810344-1Cover,access

Drs Sustainment Systems Inc · NSN 2590-01-663-7877 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-663-7877 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-663-7877. Primary manufacturer part number: 810344-1.
Features
  • Cover,access — FSC 2590
  • Distance Between Holes Along Length: 3.25 INCHES NOMINAL IN
  • Mounting Method: SCREW
  • Heat Treatment: T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED
  • Mounting Hole Diameter: UNABLE TO DECODE
  • Width: 6.00 INCHES NOMINAL IN
  • Distance Between Holes Along Width: 5.00 INCHES NOMINAL IN
  • Distance From First Hole Centerline to End Along Length: 0.50 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Cover,access, cataloged under National Stock Number 2590-01-663-7877, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Drs Sustainment Systems Inc. Government technical data includes 19 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-663-7877
Primary Part Number810344-1
Item NameCover,access
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerDrs Sustainment Systems Inc
StatusACTIVE
Distance Between Holes Along Length3.25 INCHES NOMINAL IN
Mounting MethodSCREW
Heat TreatmentT-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED
Mounting Hole DiameterUNABLE TO DECODE
Width6.00 INCHES NOMINAL IN
Distance Between Holes Along Width5.00 INCHES NOMINAL IN
Distance From First Hole Centerline to End Along Length0.50 INCHES NOMINAL IN
Length4.25 INCHES NOMINAL IN
ShapeRECTANGULAR
Mounting Hole/slot Quantity4
Distance From First Hole Centerline to End Along Width0.50 INCHES NOMINAL IN
Material Document and ClassificationAMS QQ-A-250/11 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM B209 ASSN STD SINGLE MATERIAL RESPONSE
Usage DesignVEHICULAR
Distance Between Hole Centerline and First Hole Along Width5.00 INCHES NOMINAL IN
Distance Between Hole Centerline and First Hole Along Length3.25 INCHES NOMINAL IN
Body Thickness0.06 INCHES NOMINAL IN
Securing Device TypeTHREADED FASTENER
MaterialALUMINUM ALLOY 6061
Peripheral Shape StyleRECTANGLE, FOUR HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-01-006-69132-141N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
6515-01-115-781666-6115 INTERCHANGEABLE
Forceps,eye,suture
Sklar Corporation Dba Sklar Instruments
5305-01-312-7245810344 INTERCHANGEABLE
Screw,externally Relieved Body
Bae Systems Information and Electronic Systems Integration Inc.
5365-01-358-556581034-4 INTERCHANGEABLE
Shim
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
810344-1 PRIMARY Drs Sustainment Systems Inc (USA)
810344 Drs Sustainment Systems Inc (USA)
Related Parts
5331-01-006-6913INTERCHANGEABLE
O-RING
2-141N674-70
6515-01-115-7816INTERCHANGEABLE
FORCEPS,EYE,SUTURE
66-6115
5305-01-312-7245INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
810344
5365-01-358-5565INTERCHANGEABLE
SHIM
81034-4

Frequently Asked Questions

What is NSN 2590-01-663-7877?

NSN 2590-01-663-7877 is a Cover,access, manufactured by Drs Sustainment Systems Inc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-663-7877?

NSN 2590-01-663-7877 has 2 cross-referenced part numbers: 810344-1 (Drs Sustainment Systems Inc), 810344 (Drs Sustainment Systems Inc).

What NSN replaces 2590-01-663-7877?

There are 4 known substitutes for 2590-01-663-7877: 5331-01-006-6913, 6515-01-115-7816, 5305-01-312-7245 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 810344-1?

Key specifications for 810344-1: Distance Between Holes Along Length: 3.25 INCHES NOMINAL IN; Mounting Method: SCREW; Heat Treatment: T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED; Mounting Hole Diameter: UNABLE TO DECODE. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com