PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2221-7Mask,air Line

Racal Panorama Inc · NSN 4240-01-263-7534 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-263-7534 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-263-7534. Primary manufacturer part number: 2221-7.
Features
  • Mask,air Line — FSC 4240
  • 1 verified cross-reference
  • Primary manufacturer: Racal Panorama Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mask,air Line, cataloged under National Stock Number 4240-01-263-7534, 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 Racal Panorama Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-263-7534
Primary Part Number2221-7
Item NameMask,air Line
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerRacal Panorama Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-144-8605 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-1435 INTERCHANGEABLE
Bearing,roller,self-Aligning
2805-00-356-134122217 INTERCHANGEABLE
Deflector,dirt and Liquid
Briggs and Stratton Corp
5998-00-394-377422217 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div L3harris Edo Western Corporation
3455-01-044-7953 INTERCHANGEABLE
Reamer,machine
5930-01-193-519722217 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
3030-01-211-637022217 INTERCHANGEABLE
Belt,v
Westerbeke Corporation
4510-01-231-2911 INTERCHANGEABLE
Drain,bathtub
5305-01-244-086322217 INTERCHANGEABLE
Screw
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
4630-01-312-866322217 INTERCHANGEABLE
Cutter,axial,pump
Excell Technologies International Corporation Dba Exceltec
Cross-Reference Index
Part NumberManufacturer
2221-7 Racal Panorama Inc (USA)
Related Parts
3110-00-144-8605INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-1435INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
2805-00-356-1341INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
22217
5998-00-394-3774INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
22217
3455-01-044-7953INTERCHANGEABLE
REAMER,MACHINE
5930-01-193-5197INTERCHANGEABLE
SWITCH,FLOW
22217
3030-01-211-6370INTERCHANGEABLE
BELT,V
22217
4510-01-231-2911INTERCHANGEABLE
DRAIN,BATHTUB
5305-01-244-0863INTERCHANGEABLE
SCREW
22217
4630-01-312-8663INTERCHANGEABLE
CUTTER,AXIAL,PUMP
22217

Frequently Asked Questions

What is NSN 4240-01-263-7534?

NSN 4240-01-263-7534 is a Mask,air Line, manufactured by Racal Panorama Inc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-263-7534?

NSN 4240-01-263-7534 has 1 cross-referenced part number: 2221-7 (Racal Panorama Inc).

What NSN replaces 4240-01-263-7534?

There are 10 known substitutes for 4240-01-263-7534: 3110-00-144-8605, 3110-00-156-1435, 2805-00-356-1341 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2221-7?

Key specifications for 2221-7: Special Features: PRESSURE DEMAND MASK,W/CLAMP (P/N1483-1),BREATHING TUBE (P/N 3081),AND EXHALATION VALVE (P/N 2867); REFERENCE DATA AND LITERATURE: AF T.O. 14S5-25-1; End Item Identification: SELF-CONTAINED BREATHING APPARATUS,NSN 4240-01-240-3318. 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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