PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

499-3Float,cover

Lifesaving Systems Llc · NSN 4240-01-493-9454 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-493-9454 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-493-9454. Primary manufacturer part number: 499-3.
Features
  • Float,cover — FSC 4240
  • 2 verified cross-references
  • Primary manufacturer: Lifesaving Systems Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Float,cover, cataloged under National Stock Number 4240-01-493-9454, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Lifesaving Systems Llc. 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.

Technical Specifications
ParameterValue
NSN4240-01-493-9454
Primary Part Number499-3
Item NameFloat,cover
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerLifesaving Systems Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-005-6935311-0350-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
2930-00-437-05814993 INTERCHANGEABLE
Shaft Assembly
Evans Tempcon Michigan, Llc
6645-01-558-62294993 INTERCHANGEABLE
Stopwatch
Sportsman's Market, Inc. Div Sportys
Cross-Reference Index
Part NumberManufacturer
499-3 Aviotech S.r.l. (ITA)
499-3 PRIMARY Lifesaving Systems Llc (USA)
Related Parts
5905-00-005-6935INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-0350-00
2930-00-437-0581INTERCHANGEABLE
SHAFT ASSEMBLY
4993
6645-01-558-6229INTERCHANGEABLE
STOPWATCH
4993

Frequently Asked Questions

What is NSN 4240-01-493-9454?

NSN 4240-01-493-9454 is a Float,cover, manufactured by Lifesaving Systems Llc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-493-9454?

NSN 4240-01-493-9454 has 2 cross-referenced part numbers: 499-3 (Aviotech S.r.l.), 499-3 (Lifesaving Systems Llc).

What NSN replaces 4240-01-493-9454?

There are 3 known substitutes for 4240-01-493-9454: 5905-00-005-6935, 2930-00-437-0581, 6645-01-558-6229. Verify interchangeability with system specifications before substitution.

What are the specifications of 499-3?

Key specifications for 499-3: End Item Identification: RESCUE BASKET; Special Features: REPLACEMENT COMPONENT FOR RESCUE BASKET. 2 total characteristics are documented in the Federal Logistics Information System.

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