PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7902-10Respirator,air Filtering

North Safety Products L.l.c. Dba North Safety Products · NSN 4240-01-250-8312 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-250-8312 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-8312. Primary manufacturer part number: 7902-10.
Features
  • Respirator,air Filtering — FSC 4240
  • Material: PLASTIC MASK
  • Head Harness: NOT INCLUDED
  • Mask Type: MOUTH
  • Filter Replaceability: NONREPLACEABLE
  • Filter Type: FILTER PAD
  • Mask Filter Quantity: 1
  • Exhaust Valve: INCLUDED
Applications
  • Applications requiring Plastic Mask construction
General Description

The Respirator,air Filtering, cataloged under National Stock Number 4240-01-250-8312, 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 North Safety Products L.l.c. Dba North Safety Products. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4240-01-250-8312
Primary Part Number7902-10
Item NameRespirator,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerNorth Safety Products L.l.c. Dba North Safety Products
StatusACTIVE
MaterialPLASTIC MASK
Head HarnessNOT INCLUDED
Mask TypeMOUTH
Filter ReplaceabilityNONREPLACEABLE
Filter TypeFILTER PAD
Mask Filter Quantity1
Exhaust ValveINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
6532-00-192-75394216 INTERCHANGEABLE
Cap,operating,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
5905-00-195-42957902 INTERCHANGEABLE
Resistor,fixed,wire Wound
Triplett (bluffton) Corporation Dba Lfe Instruments
2825-00-218-60457902 INTERCHANGEABLE
Spindle,governor
Northrop Grumman Systems Corporation Div Marine Systems
5977-00-245-07327902 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
5340-00-310-4871J5572-52 INTERCHANGEABLE
Mount,resilient,utility
Lord Corporation Dba Lord Corp
5915-00-375-2206 INTERCHANGEABLE
Filter,band Pass
4720-00-873-635321854P11 INTERCHANGEABLE
Hose,preformed
Taylor Machine Works Inc
5325-01-019-895826R2-5 INTERCHANGEABLE
Receptacle,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
5985-01-062-2091790-2 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
Cross-Reference Index
Part NumberManufacturer
7902-10 PRIMARY North Safety Products L.l.c. Dba North Safety Products (USA)
7902 Siebe North Inc North Safety Equipment Div (USA)
Related Parts
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
6532-00-192-7539INTERCHANGEABLE
CAP,OPERATING,SURGICAL
4216
5905-00-195-4295INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
7902
2825-00-218-6045INTERCHANGEABLE
SPINDLE,GOVERNOR
7902
5977-00-245-0732INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
7902
5340-00-310-4871INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
J5572-52
5915-00-375-2206INTERCHANGEABLE
FILTER,BAND PASS
4720-00-873-6353INTERCHANGEABLE
HOSE,PREFORMED
21854P11
5325-01-019-8958INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
26R2-5
5985-01-062-2091INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
790-2
4510-01-063-7674INTERCHANGEABLE
VALVE AND RISER,TANK
6620-01-234-1044INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
7-902

Frequently Asked Questions

What is NSN 4240-01-250-8312?

NSN 4240-01-250-8312 is a Respirator,air Filtering, manufactured by North Safety Products L.l.c. Dba North Safety Products, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-250-8312?

NSN 4240-01-250-8312 has 2 cross-referenced part numbers: 7902-10 (North Safety Products L.l.c. Dba North Safety Products), 7902 (Siebe North Inc North Safety Equipment Div).

What NSN replaces 4240-01-250-8312?

There are 12 known substitutes for 4240-01-250-8312: 3110-00-144-8589, 6532-00-192-7539, 5905-00-195-4295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7902-10?

Key specifications for 7902-10: Material: PLASTIC MASK; Head Harness: NOT INCLUDED; Mask Type: MOUTH; Special Features: DISPOSABLE MOUTHPIECE. 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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