PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS1588-8Washer,flat

Lockheed Martin Corp · NSN 5310-00-274-9122 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-274-9122 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-274-9122. Primary manufacturer part number: LS1588-8.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.906 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-274-9122, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 9 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
NSN5310-00-274-9122
Primary Part NumberLS1588-8
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Material Document and ClassificationAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1010 OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.906 INCHES NOMINAL IN
Overall Diameter1.312 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-00-888-9481LS15888 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
LS1588-8 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5935-00-888-9481INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
LS15888

Frequently Asked Questions

What is NSN 5310-00-274-9122?

NSN 5310-00-274-9122 is a Washer,flat, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-274-9122?

NSN 5310-00-274-9122 has 1 cross-referenced part number: LS1588-8 (Lockheed Martin Corp).

What NSN replaces 5310-00-274-9122?

There is 1 known substitute for 5310-00-274-9122: 5935-00-888-9481. Verify interchangeability with system specifications before substitution.

What are the specifications of LS1588-8?

Key specifications for LS1588-8: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material Document and Classification: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL. 9 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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