PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8048Test Kit,mask,protective

Tsi Incorporated · NSN 4240-01-687-3766 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-687-3766 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-687-3766. Primary manufacturer part number: 8048.
Features
  • Test Kit,mask,protective — FSC 4240
  • Storage Temp Range: -40.0 TO 122.0 FAHRENHEIT DEGF
  • Component Document Origin: INDUSTRIAL
  • Document Identification: P/N 5001943 REV E
  • Package Model Number: 8048
  • Document Source: 24575
  • Document Type: CATALOG SHEET
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Kit,mask,protective, cataloged under National Stock Number 4240-01-687-3766, 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 Tsi Incorporated. Government technical data includes 6 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-687-3766
Primary Part Number8048
Item NameTest Kit,mask,protective
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerTsi Incorporated
StatusACTIVE
Storage Temp Range-40.0 TO 122.0 FAHRENHEIT DEGF
Component Document OriginINDUSTRIAL
Document IdentificationP/N 5001943 REV E
Package Model Number8048
Document Source24575
Document TypeCATALOG SHEET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3030-00-269-9709347 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
2910-00-287-1912 INTERCHANGEABLE
Filter Element,fluid
3120-00-354-3250101A102 INTERCHANGEABLE
Bearing,sleeve
Cummins Power Generation Inc.
3030-00-528-4531 INTERCHANGEABLE
Belt,v
5310-00-548-6268 INTERCHANGEABLE
Washer,flat
5340-00-591-4181 INTERCHANGEABLE
Clamp,loop
3030-00-844-42688048 INTERCHANGEABLE
Belt,drive
Unimasco Inc
5120-01-232-12158048 INTERCHANGEABLE
Cleaner,trailer Connector
Innovative Products of America
6625-01-260-6194 INTERCHANGEABLE
Ammeter
5985-01-504-06148048 INTERCHANGEABLE
Coupler,directional
Spectrum Control, Inc.
Cross-Reference Index
Part NumberManufacturer
8048 PRIMARY Tsi Incorporated (USA)
Related Parts
3030-00-269-9709INTERCHANGEABLE
BELT,V
347
2910-00-287-1912INTERCHANGEABLE
FILTER ELEMENT,FLUID
3120-00-354-3250INTERCHANGEABLE
BEARING,SLEEVE
101A102
3030-00-528-4531INTERCHANGEABLE
BELT,V
5310-00-548-6268INTERCHANGEABLE
WASHER,FLAT
5340-00-591-4181INTERCHANGEABLE
CLAMP,LOOP
3030-00-844-4268INTERCHANGEABLE
BELT,DRIVE
8048
5120-01-232-1215INTERCHANGEABLE
CLEANER,TRAILER CONNECTOR
8048
6625-01-260-6194INTERCHANGEABLE
AMMETER
5985-01-504-0614INTERCHANGEABLE
COUPLER,DIRECTIONAL
8048

Frequently Asked Questions

What is NSN 4240-01-687-3766?

NSN 4240-01-687-3766 is a Test Kit,mask,protective, manufactured by Tsi Incorporated, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-687-3766?

NSN 4240-01-687-3766 has 1 cross-referenced part number: 8048 (Tsi Incorporated).

What NSN replaces 4240-01-687-3766?

There are 10 known substitutes for 4240-01-687-3766: 3030-00-269-9709, 2910-00-287-1912, 3120-00-354-3250 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8048?

Key specifications for 8048: Part Name Assigned by Controlling Agency: PORTACOUNT RESPIRATOR FIT TESTER; Storage Temp Range: -40.0 TO 122.0 FAHRENHEIT DEGF; Component Document Origin: INDUSTRIAL; Special Features: DIMENSIONS: 4.83 INCHES X 10.5 INCHES X 9.46 INCHES. WEIGHT: UNIT ONLY 7.0 POUNDS, W/STANDARD ACCESSORIES AND CASE 15.35 POUNDS. POWER: AUTOSENSING 100.0 TO 250 VOLTS ALTERNATING CURRENT, 50.0 TO 60 HERTZ LBS. 8 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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