PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7888Cover,respirator Valve

3m Company Div Oh&esd · NSN 4240-01-384-6662 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-384-6662 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-384-6662. Primary manufacturer part number: 7888.
Features
  • Cover,respirator Valve — FSC 4240
  • General Characteristics Item Description: PVC
  • 1 verified cross-reference
  • Primary manufacturer: 3m Company Div Oh&esd
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cover,respirator Valve, cataloged under National Stock Number 4240-01-384-6662, 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. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-384-6662
Primary Part Number7888
Item NameCover,respirator Valve
FSC / FSG4240 / 42 — No Item Name Available
Manufacturer3m Company Div Oh&esd
StatusACTIVE
General Characteristics Item DescriptionPVC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6145-00-196-4723NW1220SJ INTERCHANGEABLE
Cable,special Purpose,electrical
National Wire and Cable Corporation Dba National Wire and Cable Div National Cable Molding Corporation
2010-00-362-68192-541 INTERCHANGEABLE
Cover,bearing
Hatch & Kirk, Inc.
5975-00-501-0452154-2464 INTERCHANGEABLE
Conduit,metal,flexible
Vse Aviation, Inc.
5330-00-572-04457888 INTERCHANGEABLE
Gasket
Danuser Machine Co
5340-01-470-5525 INTERCHANGEABLE
Bumper
Cross-Reference Index
Part NumberManufacturer
7888 3m Company Div Oh&esd (USA)
Related Parts
6145-00-196-4723INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
NW1220SJ
2010-00-362-6819INTERCHANGEABLE
COVER,BEARING
2-541
5975-00-501-0452INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
154-2464
5330-00-572-0445INTERCHANGEABLE
GASKET
7888
5340-01-470-5525INTERCHANGEABLE
BUMPER

Frequently Asked Questions

What is NSN 4240-01-384-6662?

NSN 4240-01-384-6662 is a Cover,respirator Valve, manufactured by 3m Company Div Oh&esd, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-384-6662?

NSN 4240-01-384-6662 has 1 cross-referenced part number: 7888 (3m Company Div Oh&esd).

What NSN replaces 4240-01-384-6662?

There are 5 known substitutes for 4240-01-384-6662: 6145-00-196-4723, 2010-00-362-6819, 5975-00-501-0452 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7888?

Key specifications for 7888: General Characteristics Item Description: PVC; End Item Identification: 4240-01-301-3200; Special Features: USED TO PROTECT EXHALATION VALVE. 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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