PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21959Vibration Locking L

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5975-00-309-4513 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-309-4513 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-309-4513. Primary manufacturer part number: 21959.
Features
  • Vibration Locking L — FSC 5975
  • 1 verified cross-reference
  • Primary manufacturer: Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Vibration Locking L, cataloged under National Stock Number 5975-00-309-4513, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameVibration Locking L
FSC / FSG5975 — No Item Name Available (FSG 59)
ManufacturersWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (CAGE 81312)
Technical Specifications
ParameterValue
NSN5975-00-309-4513
Primary Part Number21959
Item NameVibration Locking L
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4720-00-148-495321959 INTERCHANGEABLE
Hose Assembly,nonmetallic
Forenta Lp
3120-00-627-8206200359 INTERCHANGEABLE
Bearing,sleeve
Renk America Llc Div Renk America
5325-00-920-0838245482 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace, Llc Dba Jackson South
2910-01-145-526121959 INTERCHANGEABLE
Lever,shut Off
Westerbeke Corporation
5360-01-266-3344 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
21959 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
Related Parts
4720-00-148-4953INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
21959
3120-00-627-8206INTERCHANGEABLE
BEARING,SLEEVE
200359
5325-00-920-0838INTERCHANGEABLE
RING,RETAINING
245482
2910-01-145-5261INTERCHANGEABLE
LEVER,SHUT OFF
21959
5360-01-266-3344INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 5975-00-309-4513?

NSN 5975-00-309-4513 is a Vibration Locking L, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-309-4513?

NSN 5975-00-309-4513 has 1 cross-referenced part number: 21959 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect).

What NSN replaces 5975-00-309-4513?

There are 5 known substitutes for 5975-00-309-4513: 4720-00-148-4953, 3120-00-627-8206, 5325-00-920-0838 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 5975-00-309-4513 still in active supply?

NSN 5975-00-309-4513 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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