PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RU88001MLFacepiece,breathing Equipment

Honeywell Safety Products Usa, Inc. · NSN 4240-01-268-6637 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-268-6637 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-268-6637. Primary manufacturer part number: RU88001ML.
Features
  • Facepiece,breathing Equipment — FSC 4240
  • Criticality Code Justification: FEAT
  • 7 verified cross-references
  • Primary manufacturer: Honeywell Safety Products Usa, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-268-6637, 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 Honeywell Safety Products Usa, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-268-6637
Primary Part NumberRU88001ML
Item NameFacepiece,breathing Equipment
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell Safety Products Usa, Inc.
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-232-634722776 INTERCHANGEABLE
Reamer,hand
Morse Cutting Tools
6515-01-070-50923120-00 INTERCHANGEABLE
Face Plate Reinforcement,ostomy
Smith & Nephew Inc. Dba Smith and Nephew Wound and Mgt Div Wound Management
4220-01-285-8195 INTERCHANGEABLE
Gage,depth and Pressure Diver's
4720-01-422-8313 INTERCHANGEABLE
Hose,air Duct
Cross-Reference Index
Part NumberManufacturer
312000 Survivair Corp Sub of Comasec Inc (USA)
14140060 Survivair Corp Sub of Comasec Inc (USA)
6100M Dalloz Safety (USA)
6100M Survivair Corp Sub of Comasec Inc (USA)
RU88001ML PRIMARY Honeywell Safety Products Usa, Inc. (USA)
14140060 Dalloz Safety (USA)
312000 Honeywell Safety Products Usa, Inc. (USA)
Related Parts
5110-00-232-6347INTERCHANGEABLE
REAMER,HAND
22776
6515-01-070-5092INTERCHANGEABLE
FACE PLATE REINFORCEMENT,OSTOMY
3120-00
4220-01-285-8195INTERCHANGEABLE
GAGE,DEPTH AND PRESSURE DIVER'S
4720-01-422-8313INTERCHANGEABLE
HOSE,AIR DUCT

Frequently Asked Questions

What is NSN 4240-01-268-6637?

NSN 4240-01-268-6637 is a Facepiece,breathing Equipment, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-268-6637?

NSN 4240-01-268-6637 has 7 cross-referenced part numbers: 312000 (Survivair Corp Sub of Comasec Inc), 14140060 (Survivair Corp Sub of Comasec Inc), 6100M (Dalloz Safety), 6100M (Survivair Corp Sub of Comasec Inc), RU88001ML (Honeywell Safety Products Usa, Inc.) and 2 more.

What NSN replaces 4240-01-268-6637?

There are 4 known substitutes for 4240-01-268-6637: 5110-00-232-6347, 6515-01-070-5092, 4220-01-285-8195 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RU88001ML?

Key specifications for RU88001ML: Criticality Code Justification: FEAT; Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; DUAL CARTRIDGE; SIZE MEDIUM; HALF MASK; SILICONE; End Item Identification: WILLSON SAFETY PRODUCTS MODEL 6000 SERIES RESPIRATOR. 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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