PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

420010Facepiece,breathing Equipment

Honeywell Safety Products Usa, Inc. · NSN 4240-01-395-2584 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-395-2584 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-395-2584. Primary manufacturer part number: 420010.
Features
  • Facepiece,breathing Equipment — FSC 4240
  • Material: PLASTIC POLYCARBONATE FACEPIECE LENS
  • Facepiece Size Designation: UNIVERSAL
  • Material: RUBBER SILICONE CLASS Q FACEPIECE
  • Facepiece Speaking Diaphragm: INCLUDED
  • Facepiece Design: FULL
  • Spectacle Usage Provision: NOT PROVIDED
  • 2 verified cross-references
Applications
  • Applications requiring Plastic Polycarbonate Facepiece Lens construction
General Description

The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-395-2584, 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 Honeywell Safety Products Usa, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-395-2584
Primary Part Number420010
Item NameFacepiece,breathing Equipment
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell Safety Products Usa, Inc.
StatusACTIVE
MaterialPLASTIC POLYCARBONATE FACEPIECE LENS
Facepiece Size DesignationUNIVERSAL
MaterialRUBBER SILICONE CLASS Q FACEPIECE
Facepiece Speaking DiaphragmINCLUDED
Facepiece DesignFULL
Spectacle Usage ProvisionNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5895-00-542-2019420-010 INTERCHANGEABLE
Ball
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
5910-00-901-6109192P1049R8 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Sprague Electric Co World Hqs
6120-00-947-1345420-010 INTERCHANGEABLE
Power Supply
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
6130-01-011-0566 INTERCHANGEABLE
Power Supply
5360-01-023-957520-0705-001 INTERCHANGEABLE
Spring
Datapoint Corp
5962-01-154-4556 INTERCHANGEABLE
Microcircuit,digital
6610-01-564-40844200-10 INTERCHANGEABLE
Indicator,attitude
Mid-Continent Instrument Co Inc
Cross-Reference Index
Part NumberManufacturer
420010 Survivair Corp Sub of Comasec Inc (USA)
420010 PRIMARY Honeywell Safety Products Usa, Inc. (USA)
Related Parts
5895-00-542-2019INTERCHANGEABLE
BALL
420-010
5910-00-901-6109INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
192P1049R8
6120-00-947-1345INTERCHANGEABLE
POWER SUPPLY
420-010
6130-01-011-0566INTERCHANGEABLE
POWER SUPPLY
5360-01-023-9575INTERCHANGEABLE
SPRING
20-0705-001
5962-01-154-4556INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6610-01-564-4084INTERCHANGEABLE
INDICATOR,ATTITUDE
4200-10

Frequently Asked Questions

What is NSN 4240-01-395-2584?

NSN 4240-01-395-2584 is a Facepiece,breathing Equipment, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-395-2584?

NSN 4240-01-395-2584 has 2 cross-referenced part numbers: 420010 (Survivair Corp Sub of Comasec Inc), 420010 (Honeywell Safety Products Usa, Inc.).

What NSN replaces 4240-01-395-2584?

There are 7 known substitutes for 4240-01-395-2584: 5895-00-542-2019, 5910-00-901-6109, 6120-00-947-1345 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 420010?

Key specifications for 420010: Material: PLASTIC POLYCARBONATE FACEPIECE LENS; Facepiece Size Designation: UNIVERSAL; Special Features: BLUE, NIOSH/MSHA, MEETS ANSI/UL 913 STANDARD FOR INTRINSICALLY SAFE APPARATUS; Material: RUBBER SILICONE CLASS Q FACEPIECE. 7 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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