PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-1-5866-17Washer,lock

W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center · NSN 5310-01-130-9065 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-130-9065 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-130-9065. Primary manufacturer part number: 6-1-5866-17.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment Document and Classification: MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Material: STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1566 OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Material Thickness: 0.094 INCHES MINIMUM IN
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1074 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1566 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-130-9065, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN5310-01-130-9065
Primary Part Number6-1-5866-17
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerW1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
StatusCANCELLED
Material Document and ClassificationFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
Surface Treatment Document and ClassificationMIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MaterialSTEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1566 OVERALL
Surface TreatmentCHROMIUM OVERALL
Material Thickness0.094 INCHES MINIMUM IN
Hole Diameter0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.683 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-004-5033MS35338-46 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
5310-00-722-5658 INTERCHANGEABLE
Washer,lock
5310-01-315-3803HS8-3/8 INTERCHANGEABLE
Washer,lock
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
5310-01-334-4710 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
SK-14002-6 Gse Management Co (USA)
34017-014-AB Reliance Electric Company Dba Reliance & Dodge Brands (USA)
MS35338-46 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL0776015 Jednolity Indeks Materialowy - Uniform Material Index (POL)
402352523 Israel Military Industries Ltd Dba Taas - Israel Industries Ltd - Formerly (ISR)
MS35338-46 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N405P43C6 General Electric Company Dba Ge (USA)
6-1-5866-17 PRIMARY W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
34017-14-AB Reliance Electric (USA)
Related Parts
5310-00-004-5033INTERCHANGEABLE
WASHER,LOCK
MS35338-46
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
5310-00-722-5658INTERCHANGEABLE
WASHER,LOCK
5310-01-315-3803INTERCHANGEABLE
WASHER,LOCK
HS8-3/8
5310-01-334-4710INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-01-130-9065?

NSN 5310-01-130-9065 is a Washer,lock, manufactured by W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-130-9065?

NSN 5310-01-130-9065 has 9 cross-referenced part numbers: SK-14002-6 (Gse Management Co), 34017-014-AB (Reliance Electric Company Dba Reliance & Dodge Brands), MS35338-46 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 5310PL0776015 (Jednolity Indeks Materialowy - Uniform Material Index), 402352523 (Israel Military Industries Ltd Dba Taas - Israel Industries Ltd - Formerly) and 4 more.

What NSN replaces 5310-01-130-9065?

There are 5 known substitutes for 5310-01-130-9065: 5310-00-004-5033, 5310-00-637-9541, 5310-00-722-5658 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-1-5866-17?

Key specifications for 6-1-5866-17: Material Document and Classification: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL; Surface Treatment Document and Classification: MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Material: STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1566 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-130-9065 still in active supply?

NSN 5310-01-130-9065 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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