PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66136Spring Click

Mm Reif Ltd · NSN 5340-00-944-9519 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-944-9519 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-944-9519. Primary manufacturer part number: 66136.
Features
  • Spring Click — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Mm Reif Ltd
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring Click, cataloged under National Stock Number 5340-00-944-9519, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mm Reif Ltd. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring Click
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersMm Reif Ltd (CAGE 1KNH1); Reif M M & Co Inc (CAGE 82820)
Successor NSN6515-01-566-0492 — Cannula,venous
Technical Specifications
ParameterValue
NSN5340-00-944-9519
Primary Part Number66136
Item NameSpring Click
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMm Reif Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6515-01-566-0492 (66136)
HAZMATNo
Verified Substitutes 3
6515-01-566-049266136 SUCCESSOR
Cannula,venous
Medtronic Inc Dlp Div
4320-00-128-115766136 INTERCHANGEABLE
Shaft,drive
Eaton Aerospace, Llc Dba Jackson South
4720-00-565-405066136 INTERCHANGEABLE
Hose,nonmetallic
Hyster-Yale Group, Inc.
Cross-Reference Index
Part NumberManufacturer
66136 PRIMARY Mm Reif Ltd (USA)
66136 Reif M M & Co Inc (USA)
Related Parts
SUCCESSOR 6515-01-566-0492 Cannula,venous · 66136
4320-00-128-1157INTERCHANGEABLE
SHAFT,DRIVE
66136
4720-00-565-4050INTERCHANGEABLE
HOSE,NONMETALLIC
66136

Frequently Asked Questions

What is NSN 5340-00-944-9519?

NSN 5340-00-944-9519 is a Spring Click, manufactured by Mm Reif Ltd, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-944-9519?

NSN 5340-00-944-9519 has 2 cross-referenced part numbers: 66136 (Mm Reif Ltd), 66136 (Reif M M & Co Inc).

What NSN replaces 5340-00-944-9519?

There are 3 known substitutes for 5340-00-944-9519: 6515-01-566-0492, 4320-00-128-1157, 4720-00-565-4050. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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