PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531014-0718Washer,lock

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit · NSN 5310-00-721-7809 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-721-7809 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-721-7809. Primary manufacturer part number: 531014-0718.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Outside Diameter: 0.434 INCHES MAXIMUM IN
  • Material Thickness: 0.068 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
  • Hole Diameter: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-721-7809, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-721-7809
Primary Part Number531014-0718
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
StatusCANCELLED
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Outside Diameter0.434 INCHES MAXIMUM IN
Material Thickness0.068 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
Hole Diameter0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data4 STYLE AND A CLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-050-2331 INTERCHANGEABLE
Washer,lock
5310-00-050-2342 INTERCHANGEABLE
Washer,lock
5310-00-209-5122 INTERCHANGEABLE
Washer,lock
5310-00-262-3522 INTERCHANGEABLE
Washer,lock
5310-00-262-3531 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
531014-0718 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
10043 PIECE 17 General Regulator Corp. Dba Accudriv (USA)
MS35340-43 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
B4525-308-23 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
5310007217809 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
FFW84CLASSASTYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5310PL0826417 Jednolity Indeks Materialowy - Uniform Material Index (POL)
531014-7818 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
305-111-0043 Northrop Grumman Systems Corporation (USA)
531014-7818 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
Related Parts
5310-00-050-2331INTERCHANGEABLE
WASHER,LOCK
5310-00-050-2342INTERCHANGEABLE
WASHER,LOCK
5310-00-209-5122INTERCHANGEABLE
WASHER,LOCK
5310-00-262-3522INTERCHANGEABLE
WASHER,LOCK
5310-00-262-3531INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-721-7809?

NSN 5310-00-721-7809 is a Washer,lock, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-721-7809?

NSN 5310-00-721-7809 has 10 cross-referenced part numbers: 531014-0718 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 10043 PIECE 17 (General Regulator Corp. Dba Accudriv), MS35340-43 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), B4525-308-23 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 5310007217809 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee) and 5 more.

What NSN replaces 5310-00-721-7809?

There are 5 known substitutes for 5310-00-721-7809: 5310-00-050-2331, 5310-00-050-2342, 5310-00-209-5122 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 531014-0718?

Key specifications for 531014-0718: Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-721-7809 still in active supply?

NSN 5310-00-721-7809 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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