PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8247-69-12Washer,lock

Chief of Engineers Dept of Army · NSN 5310-00-013-8526 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-013-8526 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-013-8526. Primary manufacturer part number: 8247-69-12.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Material Thickness: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
  • 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 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • Outside Diameter: 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: A TYPE
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 1071 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 5310-00-013-8526, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Chief of Engineers Dept of Army. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-013-8526
Primary Part Number8247-69-12
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Material Thickness0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
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 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Hole Diameter0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Outside Diameter0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
Nondefinitive Spec/std DataA TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-154-904204240AB INTERCHANGEABLE
Seal,plain Encased
Cnh Industrial America Llc Dba Cnh America
5310-00-595-7235 INTERCHANGEABLE
Washer,lock
2835-00-654-676421111-2 INTERCHANGEABLE
Fork,turnbuckle
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5365-00-794-2632211112 INTERCHANGEABLE
Bushing,machine Thread
Valcor Engineering Corporation
5340-01-042-3246 INTERCHANGEABLE
Handle,bow
5133-01-095-6649 INTERCHANGEABLE
Drill,twist
4730-01-189-8140 INTERCHANGEABLE
Plug,pressure Chamber
5331-01-282-3247211112 INTERCHANGEABLE
O-Ring
Hynautic Inc Div of Sta-Rite Industries Inc
6150-01-567-0426138-526 INTERCHANGEABLE
Cable Assembly Set,electrical
Tegam, Inc.
5895-01-697-78988247669-1 INTERCHANGEABLE
Interface Unit,communication Equ
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
138526 General Motors Corp (USA)
MILW6986TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
138526 General Motors Llc Dba General Motors Llc (USA)
2111-12 Itw Shakeproof Automotive Products (USA)
8247-69-12 PRIMARY Chief of Engineers Dept of Army (USA)
8247-66-9 PRIMARY Chief of Engineers Dept of Army (USA)
Related Parts
5330-00-154-9042INTERCHANGEABLE
SEAL,PLAIN ENCASED
04240AB
5310-00-595-7235INTERCHANGEABLE
WASHER,LOCK
2835-00-654-6764INTERCHANGEABLE
FORK,TURNBUCKLE
21111-2
5365-00-794-2632INTERCHANGEABLE
BUSHING,MACHINE THREAD
211112
5340-01-042-3246INTERCHANGEABLE
HANDLE,BOW
5133-01-095-6649INTERCHANGEABLE
DRILL,TWIST
4730-01-189-8140INTERCHANGEABLE
PLUG,PRESSURE CHAMBER
5331-01-282-3247INTERCHANGEABLE
O-RING
211112
6150-01-567-0426INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
138-526
5895-01-697-7898INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
8247669-1

Frequently Asked Questions

What is NSN 5310-00-013-8526?

NSN 5310-00-013-8526 is a Washer,lock, manufactured by Chief of Engineers Dept of Army, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-013-8526?

NSN 5310-00-013-8526 has 6 cross-referenced part numbers: 138526 (General Motors Corp), MILW6986TYPEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 138526 (General Motors Llc Dba General Motors Llc), 2111-12 (Itw Shakeproof Automotive Products), 8247-69-12 (Chief of Engineers Dept of Army) and 1 more.

What NSN replaces 5310-00-013-8526?

There are 10 known substitutes for 5310-00-013-8526: 5330-00-154-9042, 5310-00-595-7235, 2835-00-654-6764 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8247-69-12?

Key specifications for 8247-69-12: Style Designator: FLAT INTERNAL TEETH; Material Thickness: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN; 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 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL; Surface Treatment: CADMIUM OR ZINC OVERALL. 7 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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