PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS103BBox Bottom,regulator,breathing a

Dacor Corp · NSN 4220-01-270-6691 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-270-6691 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-270-6691. Primary manufacturer part number: SS103B.
Features
  • Box Bottom,regulator,breathing a — FSC 4220
  • 2 verified cross-references
  • Primary manufacturer: Dacor Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Box Bottom,regulator,breathing a, cataloged under National Stock Number 4220-01-270-6691, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Dacor Corp. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBox Bottom,regulator,breathing a
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersDacor Corp (CAGE 25609)
Technical Specifications
ParameterValue
NSN4220-01-270-6691
Primary Part NumberSS103B
Item NameBox Bottom,regulator,breathing a
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerDacor Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-224-4029 INTERCHANGEABLE
Drill,twist
3895-00-356-3062 INTERCHANGEABLE
Reel,cable
2805-00-374-949101021 INTERCHANGEABLE
Guide,e,haust Valve
Safeguard Powertech Systems
5340-01-359-0556 INTERCHANGEABLE
Cover,access
5130-01-397-90030102-1 INTERCHANGEABLE
Drill,electric,portable
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
5998-01-419-060501021 INTERCHANGEABLE
Circuit Card Assembly
Futurecom Inc
Cross-Reference Index
Part NumberManufacturer
SS103B Dacor Corp (USA)
010-21 Dacor Corp (USA)
Related Parts
5133-00-224-4029INTERCHANGEABLE
DRILL,TWIST
3895-00-356-3062INTERCHANGEABLE
REEL,CABLE
2805-00-374-9491INTERCHANGEABLE
GUIDE,E,HAUST VALVE
01021
5340-01-359-0556INTERCHANGEABLE
COVER,ACCESS
5130-01-397-9003INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
0102-1
5998-01-419-0605INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
01021

Frequently Asked Questions

What is NSN 4220-01-270-6691?

NSN 4220-01-270-6691 is a Box Bottom,regulator,breathing a, manufactured by Dacor Corp, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-270-6691?

NSN 4220-01-270-6691 has 2 cross-referenced part numbers: SS103B (Dacor Corp), 010-21 (Dacor Corp).

What NSN replaces 4220-01-270-6691?

There are 6 known substitutes for 4220-01-270-6691: 5133-00-224-4029, 3895-00-356-3062, 2805-00-374-9491 and 3 more. Verify interchangeability with system specifications before substitution.

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