PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DAAH10Washer,lock

Superior Fastener Co., Inc. Dba Superior Industrial Supply · NSN 5310-01-608-4911 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-608-4911 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-608-4911. Primary manufacturer part number: DAAH10.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 10.7 MILLIMETERS NOMINAL MM
  • Outside Diameter: 18.1 MILLIMETERS NOMINAL MM
  • Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
  • Material Thickness: 2.05 MILLIMETERS NOMINAL MM
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
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 5310-01-608-4911, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Superior Fastener Co., Inc. Dba Superior Industrial Supply. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-608-4911
Primary Part NumberDAAH10
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSuperior Fastener Co., Inc. Dba Superior Industrial Supply
StatusACTIVE
Hole Diameter10.7 MILLIMETERS NOMINAL MM
Outside Diameter18.1 MILLIMETERS NOMINAL MM
Hardness Rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Material Thickness2.05 MILLIMETERS NOMINAL MM
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-533-378003333-08 INTERCHANGEABLE
Washer,lock
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
DAAH10 PRIMARY Superior Fastener Co., Inc. Dba Superior Industrial Supply (USA)
1025C11-0480-01 PRIMARY The Entwistle Company Llc (USA)
17-3-3671-3 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
91202A242 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
5310-01-533-3780INTERCHANGEABLE
WASHER,LOCK
03333-08

Frequently Asked Questions

What is NSN 5310-01-608-4911?

NSN 5310-01-608-4911 is a Washer,lock, manufactured by Superior Fastener Co., Inc. Dba Superior Industrial Supply, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-608-4911?

NSN 5310-01-608-4911 has 4 cross-referenced part numbers: DAAH10 (Superior Fastener Co., Inc. Dba Superior Industrial Supply), 1025C11-0480-01 (The Entwistle Company Llc), 17-3-3671-3 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 91202A242 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-608-4911?

There is 1 known substitute for 5310-01-608-4911: 5310-01-533-3780. Verify interchangeability with system specifications before substitution.

What are the specifications of DAAH10?

Key specifications for DAAH10: Hole Diameter: 10.7 MILLIMETERS NOMINAL MM; Special Features: WASHER FITS SIZE M10 SCREW; Outside Diameter: 18.1 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: WASHER, LOCK. 10 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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