PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7093CParts Kit,respirator

3m Company Div Oh&esd · NSN 4240-01-657-1961 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-657-1961 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-657-1961. Primary manufacturer part number: 7093C.
Features
  • Parts Kit,respirator — FSC 4240
  • 2 verified cross-references
  • Primary manufacturer: 3m Company Div Oh&esd
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,respirator, cataloged under National Stock Number 4240-01-657-1961, 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 3m Company Div Oh&esd. 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.

Catalog Facts
Item NameParts Kit,respirator
FSC / FSG4240 — No Item Name Available (FSG 42)
Manufacturers3m Company Div Oh&esd (CAGE 50378); 3m Company (CAGE 76381)
Technical Specifications
ParameterValue
NSN4240-01-657-1961
Primary Part Number7093C
Item NameParts Kit,respirator
FSC / FSG4240 / 42 — No Item Name Available
Manufacturer3m Company Div Oh&esd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-432-59692352-1161A INTERCHANGEABLE
Valve,flow Control
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-432-65875863-16SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-468-90175863-11SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-469-75975863-12SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-501-03725863-7SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-502-69622352-1201A 1.00 IN. INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-502-69652352-1141ACN.00 IN. INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-503-64825863-10SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5331-01-559-483889050 INTERCHANGEABLE
O-Ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5331-01-559-48424365 INTERCHANGEABLE
O-Ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
Part NumberManufacturer
7093C 3m Company Div Oh&esd (USA)
7000052600 3m Company (USA)
Related Parts
4820-01-432-5969INTERCHANGEABLE
VALVE,FLOW CONTROL
2352-1161A
4820-01-432-6587INTERCHANGEABLE
PARTS KIT,VALVE
5863-16SK
4820-01-468-9017INTERCHANGEABLE
PARTS KIT,VALVE
5863-11SK
4820-01-469-7597INTERCHANGEABLE
PARTS KIT,VALVE
5863-12SK
4820-01-501-0372INTERCHANGEABLE
PARTS KIT,VALVE
5863-7SK
4820-01-502-6962INTERCHANGEABLE
VALVE,CALIBRATED FLOW
2352-1201A 1.00 IN.
4820-01-502-6965INTERCHANGEABLE
VALVE,CALIBRATED FLOW
2352-1141ACN.00 IN.
4820-01-503-6482INTERCHANGEABLE
PARTS KIT,VALVE
5863-10SK
5331-01-559-4838INTERCHANGEABLE
O-RING
89050
5331-01-559-4842INTERCHANGEABLE
O-RING
4365
4820-01-560-4452INTERCHANGEABLE
PARTS KIT,VALVE
5863-5SK
4820-01-665-0663INTERCHANGEABLE
REPAIR KIT,VALVE
5863-19SK

Frequently Asked Questions

What is NSN 4240-01-657-1961?

NSN 4240-01-657-1961 is a Parts Kit,respirator, manufactured by 3m Company Div Oh&esd, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-657-1961?

NSN 4240-01-657-1961 has 2 cross-referenced part numbers: 7093C (3m Company Div Oh&esd), 7000052600 (3m Company).

What NSN replaces 4240-01-657-1961?

There are 12 known substitutes for 4240-01-657-1961: 4820-01-432-5969, 4820-01-432-6587, 4820-01-468-9017 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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