PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2251Strap,mask

Racal Panorama Inc · NSN 4240-01-263-9349 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-263-9349 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-263-9349. Primary manufacturer part number: 2251.
Features
  • Strap,mask — FSC 4240
  • General Characteristics Item Description: 5 FINGER STRAP FOR FACE MASK,NEOPRENE
  • Reference Data and Literature: AF TO.14S5-25-1
  • 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 Strap,mask, cataloged under National Stock Number 4240-01-263-9349, 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. Government technical data includes 2 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-263-9349
Primary Part Number2251
Item NameStrap,mask
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerRacal Panorama Inc
StatusACTIVE
General Characteristics Item Description5 FINGER STRAP FOR FACE MASK,NEOPRENE
Reference Data and LiteratureAF TO.14S5-25-1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-106-55532-251 INTERCHANGEABLE
Gasket
Gross Mechanical Laboratories Inc
6230-00-164-660517-4385-100-510 INTERCHANGEABLE
Flashlight
Chief of Engineers Dept of Army
5331-00-165-1966M83248/1-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-203-25892251 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4730-00-479-0098 INTERCHANGEABLE
Elbow,pipe
5331-01-039-3076MS28775-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6625-01-052-22772251 INTERCHANGEABLE
Voltmeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
6230-01-270-59816619T6 INTERCHANGEABLE
Flashlight
Mcmaster-Carr Supply Co
6625-01-371-82692251 INTERCHANGEABLE
Counter,electronic,digital Reado
Astronics Test Systems Inc
5975-01-400-06002251 INTERCHANGEABLE
Locknut,electrical Conduit
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
2251 Racal Panorama Inc (USA)
Related Parts
5330-00-106-5553INTERCHANGEABLE
GASKET
2-251
6230-00-164-6605INTERCHANGEABLE
FLASHLIGHT
17-4385-100-510
5331-00-165-1966INTERCHANGEABLE
O-RING
M83248/1-251
4820-00-203-2589INTERCHANGEABLE
VALVE,SAFETY RELIEF
2251
4730-00-479-0098INTERCHANGEABLE
ELBOW,PIPE
5331-01-039-3076INTERCHANGEABLE
O-RING
MS28775-251
6625-01-052-2277INTERCHANGEABLE
VOLTMETER
2251
6230-01-270-5981INTERCHANGEABLE
FLASHLIGHT
6619T6
6625-01-371-8269INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
2251
5975-01-400-0600INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
2251
4030-01-418-1973INTERCHANGEABLE
HOOK,RELEASE
225-1
6665-01-528-3124INTERCHANGEABLE
HOLDER,CASSETTE AND CYCLONE
225-1

Frequently Asked Questions

What is NSN 4240-01-263-9349?

NSN 4240-01-263-9349 is a Strap,mask, manufactured by Racal Panorama Inc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-263-9349?

NSN 4240-01-263-9349 has 1 cross-referenced part number: 2251 (Racal Panorama Inc).

What NSN replaces 4240-01-263-9349?

There are 12 known substitutes for 4240-01-263-9349: 5330-00-106-5553, 6230-00-164-6605, 5331-00-165-1966 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2251?

Key specifications for 2251: End Item Identification: SELF-CONTAINED BREATHING APPARATUS,NSN 4240-01-240-3318; General Characteristics Item Description: 5 FINGER STRAP FOR FACE MASK,NEOPRENE; Reference Data and Literature: AF TO.14S5-25-1. 3 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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