PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1011997Protector,hearing

Honeywell International Dba Honeywell · NSN 4240-01-632-1691 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-632-1691 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-632-1691. Primary manufacturer part number: 1011997.
Features
  • Protector,hearing — FSC 4240
  • Body Style: HEADSET, COVERED
  • 1 verified cross-reference
  • Primary manufacturer: Honeywell International Dba Honeywell
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Protector,hearing, cataloged under National Stock Number 4240-01-632-1691, 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 International Dba Honeywell. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-632-1691
Primary Part Number1011997
Item NameProtector,hearing
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell International Dba Honeywell
StatusACTIVE
Body StyleHEADSET, COVERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-841-90072006616 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
1011997 PRIMARY Honeywell International Dba Honeywell (USA)
Related Parts
5945-00-841-9007INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2006616

Frequently Asked Questions

What is NSN 4240-01-632-1691?

NSN 4240-01-632-1691 is a Protector,hearing, manufactured by Honeywell International Dba Honeywell, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-632-1691?

NSN 4240-01-632-1691 has 1 cross-referenced part number: 1011997 (Honeywell International Dba Honeywell).

What NSN replaces 4240-01-632-1691?

There is 1 known substitute for 4240-01-632-1691: 5945-00-841-9007. Verify interchangeability with system specifications before substitution.

What are the specifications of 1011997?

Key specifications for 1011997: Special Features: CONVENIENT FOLDING DESIGN FOR EASY STORAGE;BELT STORAGE CASE ALSO AVAILABLE; Part Name Assigned by Controlling Agency: NOISE BLOCKING EAR MUFFS; Body Style: HEADSET, COVERED. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com