PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3646Washer,lock

Telemechanics Inc · NSN 5310-00-197-3306 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-197-3306 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-197-3306. Primary manufacturer part number: 3646.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Outside Diameter: 0.280 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Surface Treatment: NICKEL OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • 3 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 5310-00-197-3306, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-197-3306
Primary Part Number3646
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Material Thickness0.031 INCHES NOMINAL IN
Outside Diameter0.280 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Surface TreatmentNICKEL OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3040-00-005-5035 INTERCHANGEABLE
Shaft,shouldered
5961-00-103-4430 INTERCHANGEABLE
Transistor
4730-00-504-19082565033-1 INTERCHANGEABLE
Tee,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-00-709-7431 INTERCHANGEABLE
Clutch,sliding Sleeve,nonvehicul
2530-00-846-2180 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5310-00-993-05112W1-17-14-32 INTERCHANGEABLE
Washer,flat
The Boeing Company Div Legacy Am&m
6515-01-207-3772 INTERCHANGEABLE
Suction Kit,tracheal
6685-01-316-4794628422 INTERCHANGEABLE
Indicator,humidity,plug
L3harris Cincinnati Electronics Corporation
6145-01-498-47233646 INTERCHANGEABLE
Wire,electrical
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
4810-01-680-48621018444 INTERCHANGEABLE
Valve Assembly,manifold
J.w.f. Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
3646 At and T Corp (USA)
3646 PRIMARY Telemechanics Inc (USA)
3646 American Telephone and Telegraph Co (USA)
Related Parts
3040-00-005-5035INTERCHANGEABLE
SHAFT,SHOULDERED
5961-00-103-4430INTERCHANGEABLE
TRANSISTOR
4730-00-504-1908INTERCHANGEABLE
TEE,PIPE
2565033-1
3010-00-709-7431INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,NONVEHICUL
2530-00-846-2180INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5310-00-993-0511INTERCHANGEABLE
WASHER,FLAT
2W1-17-14-32
6515-01-207-3772INTERCHANGEABLE
SUCTION KIT,TRACHEAL
6685-01-316-4794INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
628422
6145-01-498-4723INTERCHANGEABLE
WIRE,ELECTRICAL
3646
4810-01-680-4862INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
1018444

Frequently Asked Questions

What is NSN 5310-00-197-3306?

NSN 5310-00-197-3306 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 5310-00-197-3306?

NSN 5310-00-197-3306 has 3 cross-referenced part numbers: 3646 (At and T Corp), 3646 (Telemechanics Inc), 3646 (American Telephone and Telegraph Co).

What NSN replaces 5310-00-197-3306?

There are 10 known substitutes for 5310-00-197-3306: 3040-00-005-5035, 5961-00-103-4430, 4730-00-504-1908 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3646?

Key specifications for 3646: Material Thickness: 0.031 INCHES NOMINAL IN; Outside Diameter: 0.280 INCHES NOMINAL IN; Material: STEEL OVERALL; Surface Treatment: NICKEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-197-3306 still in active supply?

NSN 5310-00-197-3306 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.
PartsTable Design LLC · partstable.com