PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

132-1-6Washer,lock

Litton Systems Inc Amecom Div · NSN 5310-00-964-7561 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-964-7561 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-964-7561. Primary manufacturer part number: 132-1-6.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Surface Treatment: SILVER OVERALL
  • Outside Diameter: 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
  • Material Thickness: 0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-964-7561, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Litton Systems Inc Amecom Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-964-7561
Primary Part Number132-1-6
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLitton Systems Inc Amecom Div
StatusCANCELLED
Style DesignatorFLAT INTERNAL TEETH
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Surface TreatmentSILVER OVERALL
Outside Diameter0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
Material Thickness0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5340-00-205-69686-6 INTERCHANGEABLE
Plug,protective,dust and Moistur
Tubing Seal Cap Div of Vsi Corp Sub of Fairchild Industries Inc
5315-00-276-48927705769 INTERCHANGEABLE
Pin,grooved,headless
U S Army Tank Automotive Command Amsta-Im-Mm
5999-00-615-732313216 INTERCHANGEABLE
Card,printed Circui
Electro Scientific Industries Inc
5999-01-034-5277301-150 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Bivar Inc
5120-01-112-8309J5206MH INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5950-01-152-1914 INTERCHANGEABLE
Transformer,power
5961-01-302-428813216 INTERCHANGEABLE
Semiconductor Devices,unitized
Avo Intl
Cross-Reference Index
Part NumberManufacturer
132-1-6 Litton Systems Inc Amecom Div (USA)
132-1-6 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
M6355 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5340-00-205-6968INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
6-6
5315-00-276-4892INTERCHANGEABLE
PIN,GROOVED,HEADLESS
7705769
5999-00-615-7323INTERCHANGEABLE
CARD,PRINTED CIRCUI
13216
5999-01-034-5277INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
301-150
5120-01-112-8309INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5206MH
5950-01-152-1914INTERCHANGEABLE
TRANSFORMER,POWER
5961-01-302-4288INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
13216

Frequently Asked Questions

What is NSN 5310-00-964-7561?

NSN 5310-00-964-7561 is a Washer,lock, manufactured by Litton Systems Inc Amecom Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-964-7561?

NSN 5310-00-964-7561 has 3 cross-referenced part numbers: 132-1-6 (Litton Systems Inc Amecom Div), 132-1-6 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), M6355 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5310-00-964-7561?

There are 7 known substitutes for 5310-00-964-7561: 5340-00-205-6968, 5315-00-276-4892, 5999-00-615-7323 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 132-1-6?

Key specifications for 132-1-6: Style Designator: FLAT INTERNAL TEETH; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Surface Treatment: SILVER OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-964-7561 still in active supply?

NSN 5310-00-964-7561 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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