PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3640Washer,lock

Telemechanics Inc · NSN 5310-00-194-1478 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-194-1478 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-194-1478. Primary manufacturer part number: 3640.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Outside Diameter: 0.234 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-194-1478, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-194-1478
Primary Part Number3640
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
Material Thickness0.031 INCHES NOMINAL IN
Outside Diameter0.234 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-116-81917000057746 INTERCHANGEABLE
Press,connector Pin Assembly
3m Company
3110-00-156-83873640 INTERCHANGEABLE
Bearing,ball,annular
Prestolite Electric Inc
5133-00-189-9298 INTERCHANGEABLE
Drill,twist
5305-00-237-6744200153 INTERCHANGEABLE
Screw,shoulder
Dictaphone Corporation
5310-00-275-0633200153 INTERCHANGEABLE
Washer,flat
Renk America Llc Div Renk America
5220-00-334-78703640 INTERCHANGEABLE
Gage,circumferentia
Allison Transmission Inc Dba Allison Transmission, Inc
3030-00-528-4733 INTERCHANGEABLE
Belt,v
3825-00-579-8780 INTERCHANGEABLE
Sweeper,battery Powered
3510-00-689-7166 INTERCHANGEABLE
Liner,laundry Cart
5340-00-714-3117945751 INTERCHANGEABLE
Clip,spring Tension
Am General Llc
Cross-Reference Index
Part NumberManufacturer
3640 American Telephone and Telegraph Co (USA)
200-153 At and T Corp (USA)
3640 At and T Corp (USA)
3640 PRIMARY Telemechanics Inc (USA)
Related Parts
5120-00-116-8191INTERCHANGEABLE
PRESS,CONNECTOR PIN ASSEMBLY
7000057746
3110-00-156-8387INTERCHANGEABLE
BEARING,BALL,ANNULAR
3640
5133-00-189-9298INTERCHANGEABLE
DRILL,TWIST
5305-00-237-6744INTERCHANGEABLE
SCREW,SHOULDER
200153
5310-00-275-0633INTERCHANGEABLE
WASHER,FLAT
200153
5220-00-334-7870INTERCHANGEABLE
GAGE,CIRCUMFERENTIA
3640
3030-00-528-4733INTERCHANGEABLE
BELT,V
3825-00-579-8780INTERCHANGEABLE
SWEEPER,BATTERY POWERED
3510-00-689-7166INTERCHANGEABLE
LINER,LAUNDRY CART
5340-00-714-3117INTERCHANGEABLE
CLIP,SPRING TENSION
945751
5998-00-827-2006INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5975-01-078-6500INTERCHANGEABLE
COVER,JUNCTION BOX
36-40

Frequently Asked Questions

What is NSN 5310-00-194-1478?

NSN 5310-00-194-1478 is a Washer,lock, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-194-1478?

NSN 5310-00-194-1478 has 4 cross-referenced part numbers: 3640 (American Telephone and Telegraph Co), 200-153 (At and T Corp), 3640 (At and T Corp), 3640 (Telemechanics Inc).

What NSN replaces 5310-00-194-1478?

There are 12 known substitutes for 5310-00-194-1478: 5120-00-116-8191, 3110-00-156-8387, 5133-00-189-9298 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3640?

Key specifications for 3640: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Hole Diameter: 0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-194-1478 still in active supply?

NSN 5310-00-194-1478 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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