PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7506-N99Filter,respirator,air Filtering

Honeywell Safety Products Usa, Inc. · NSN 4240-01-025-1415 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-025-1415 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-025-1415. Primary manufacturer part number: 7506-N99.
Features
  • Filter,respirator,air Filtering — FSC 4240
  • 4 verified cross-references
  • Primary manufacturer: Honeywell Safety Products Usa, Inc.
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,respirator,air Filtering, cataloged under National Stock Number 4240-01-025-1415, 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.. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4240-01-025-1415
Primary Part Number7506-N99
Item NameFilter,respirator,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell Safety Products Usa, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5330-00-006-03137500-10 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5365-00-011-6572750-0000-10 INTERCHANGEABLE
Spacer Seal,compression
C. E. Conover & Co., Inc.
4730-00-194-1044 INTERCHANGEABLE
Elbow,tube
5330-00-262-3304750010 INTERCHANGEABLE
Felt,mechanical,preformed
Fwd Seagrave Holdings Lp
5330-00-342-15577500-10 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5330-00-492-8686750-0000-10 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5330-00-999-9193750-0000-10 INTERCHANGEABLE
Seal,plain Encased
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
1560-01-071-5512750010-2 INTERCHANGEABLE
Retainer,latch,refueling
Transdigm Inc Div Aero Fluid Products
5820-01-224-58457500-10 INTERCHANGEABLE
Receiver
Scientific Atlanta Inc
6220-01-280-5350 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Cross-Reference Index
Part NumberManufacturer
7506-N99 Siebe North Inc North Safety Equipment Div (USA)
7506-N99 PRIMARY Honeywell Safety Products Usa, Inc. (USA)
7506-N99 North Safety Products L.l.c. Dba North Safety Products (USA)
7500-10 Siebe North Inc North Safety Equipment Div (USA)
Related Parts
5330-00-006-0313INTERCHANGEABLE
PACKING WITH RETAINER
7500-10
5365-00-011-6572INTERCHANGEABLE
SPACER SEAL,COMPRESSION
750-0000-10
4730-00-194-1044INTERCHANGEABLE
ELBOW,TUBE
5330-00-262-3304INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
750010
5330-00-342-1557INTERCHANGEABLE
PACKING WITH RETAINER
7500-10
5330-00-492-8686INTERCHANGEABLE
PACKING WITH RETAINER
750-0000-10
5330-00-999-9193INTERCHANGEABLE
SEAL,PLAIN ENCASED
750-0000-10
1560-01-071-5512INTERCHANGEABLE
RETAINER,LATCH,REFUELING
750010-2
5820-01-224-5845INTERCHANGEABLE
RECEIVER
7500-10
6220-01-280-5350INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
6135-01-501-9306INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
750010

Frequently Asked Questions

What is NSN 4240-01-025-1415?

NSN 4240-01-025-1415 is a Filter,respirator,air Filtering, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4240-01-025-1415?

NSN 4240-01-025-1415 has 4 cross-referenced part numbers: 7506-N99 (Siebe North Inc North Safety Equipment Div), 7506-N99 (Honeywell Safety Products Usa, Inc.), 7506-N99 (North Safety Products L.l.c. Dba North Safety Products), 7500-10 (Siebe North Inc North Safety Equipment Div).

What NSN replaces 4240-01-025-1415?

There are 11 known substitutes for 4240-01-025-1415: 5330-00-006-0313, 5365-00-011-6572, 4730-00-194-1044 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7506-N99?

Key specifications for 7506-N99: Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON NORTH MODEL 7506 RESPIRATOR. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4240-01-025-1415 still in active supply?

NSN 4240-01-025-1415 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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