PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-526589-6Washer,lock

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-952-1520 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-952-1520 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-952-1520. Primary manufacturer part number: SM-B-526589-6.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material: STEEL OVERALL
  • Outside Diameter: 1.375 INCHES NOMINAL IN
  • Hole Diameter: 1.016 INCHES NOMINAL IN
  • Material Thickness: 0.025 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-952-1520, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-952-1520
Primary Part NumberSM-B-526589-6
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL OVERALL
Outside Diameter1.375 INCHES NOMINAL IN
Hole Diameter1.016 INCHES NOMINAL IN
Material Thickness0.025 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-208-9327MS90726-109 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6680-01-322-4170123605 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
SM-B-526589-6 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
7024102P004 General Electric Company (USA)
7024102P004 PRIMARY Lockheed Martin Corporation Div Rms (USA)
1236-05 Itw Shakeproof Automotive Products (USA)
Related Parts
5305-00-208-9327INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90726-109
6680-01-322-4170INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
123605

Frequently Asked Questions

What is NSN 5310-00-952-1520?

NSN 5310-00-952-1520 is a Washer,lock, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-952-1520?

NSN 5310-00-952-1520 has 4 cross-referenced part numbers: SM-B-526589-6 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 7024102P004 (General Electric Company), 7024102P004 (Lockheed Martin Corporation Div Rms), 1236-05 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-952-1520?

There are 2 known substitutes for 5310-00-952-1520: 5305-00-208-9327, 6680-01-322-4170. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-526589-6?

Key specifications for SM-B-526589-6: Style Designator: FLAT INTERNAL TEETH; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Material: STEEL OVERALL; Outside Diameter: 1.375 INCHES NOMINAL 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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