PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3DIN127NRSTWasher,lock

Thales Deutschland Gmbh Div Customer Services · NSN 5310-00-687-6662 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-687-6662 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-687-6662. Primary manufacturer part number: B3DIN127NRST.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
  • Outside Diameter: 0.202 INCHES NOMINAL IN
  • Hole Diameter: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
  • Material: STEEL COMP 1060 OVERALL
  • Material Document and Classification: AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-687-6662, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Thales Deutschland Gmbh Div Customer Services. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-687-6662
Primary Part NumberB3DIN127NRST
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThales Deutschland Gmbh Div Customer Services
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Outside Diameter0.202 INCHES NOMINAL IN
Hole Diameter0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
MaterialSTEEL COMP 1060 OVERALL
Material Document and ClassificationAMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-405-5146107125 INTERCHANGEABLE
Gear Rack
Bei Sensors & Systems Company, Inc. Dba Bei Duncan
7510-00-634-1341471 1/4 GREEN INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
3020-00-956-5519107125 INTERCHANGEABLE
Gear,spur
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
6240-01-492-5044107125 INTERCHANGEABLE
Lamp,incandescent
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
Cross-Reference Index
Part NumberManufacturer
B3DIN127NRST Thales Deutschland Gmbh Div Customer Services (DEU)
107125 Itt Industries Inc Itt Aerospace Communications Div East (USA)
107125 L3harris Technologies, Inc. Dba Harris Corporation (USA)
MS122051 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
21111-38030 Thales Six Gts France SAS (FRA)
34H004A4-1 Ge Aviation Systems Llc (USA)
Related Parts
3020-00-405-5146INTERCHANGEABLE
GEAR RACK
107125
7510-00-634-1341INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
471 1/4 GREEN
3020-00-956-5519INTERCHANGEABLE
GEAR,SPUR
107125
6240-01-492-5044INTERCHANGEABLE
LAMP,INCANDESCENT
107125

Frequently Asked Questions

What is NSN 5310-00-687-6662?

NSN 5310-00-687-6662 is a Washer,lock, manufactured by Thales Deutschland Gmbh Div Customer Services, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-687-6662?

NSN 5310-00-687-6662 has 6 cross-referenced part numbers: B3DIN127NRST (Thales Deutschland Gmbh Div Customer Services), 107125 (Itt Industries Inc Itt Aerospace Communications Div East), 107125 (L3harris Technologies, Inc. Dba Harris Corporation), MS122051 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 21111-38030 (Thales Six Gts France SAS) and 1 more.

What NSN replaces 5310-00-687-6662?

There are 4 known substitutes for 5310-00-687-6662: 3020-00-405-5146, 7510-00-634-1341, 3020-00-956-5519 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B3DIN127NRST?

Key specifications for B3DIN127NRST: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Outside Diameter: 0.202 INCHES NOMINAL IN; Hole Diameter: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN. 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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