PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3701-40Cylinder,compressed Gas,acetylen

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 8120-00-663-3019 · FSC 8120 · No Item Name Available
Verified by PartsTable
NSN 8120-00-663-3019 — this item is cataloged by the U.S. Government under National Stock Number 8120-00-663-3019. Primary manufacturer part number: M3701-40.
Features
  • Cylinder,compressed Gas,acetylen — FSC 8120
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Thread Size and Series/type Designator: 3 1/8-11 NS EXTERNAL NS
  • Department of Transportation Cylinder Identifying Number: 8 250 OR 8AL250
  • Spec/std Controlling Agency: CID
  • Neck Closure: PROVIDED
  • Cylinder Style Designator: BOTTLE TYPE
  • Body Color Code: YELLOW
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder,compressed Gas,acetylen, cataloged under National Stock Number 8120-00-663-3019, is classified within Federal Supply Class 8120 (No Item Name Available) of the Containers, Packaging, and Packing Supplies group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN8120-00-663-3019
Primary Part NumberM3701-40
Item NameCylinder,compressed Gas,acetylen
FSC / FSG8120 / 81 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Thread Size and Series/type Designator3 1/8-11 NS EXTERNAL NS
Department of Transportation Cylinder Identifying Number8 250 OR 8AL250
Spec/std Controlling AgencyCID
Neck ClosurePROVIDED
Cylinder Style DesignatorBOTTLE TYPE
Body Color CodeYELLOW
Furnished ItemsVALVE
Cross Section Outside Diameter6.000 INCHES NOMINAL IN
Government Type NumberPIN AA 59860-006
Color Coded Gas TypeACETYLENE
Part C Color CodeYELLOW
Nondefinitive Spec/std Data3701-2 PART
Spec/std Identifying NumberCID A-A-59860 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Size and Series/type Designator3/8-18 NGT INTERNAL
Part B Color CodeYELLOW
Part a Color CodeYELLOW
Capacity Rating40.000 CUBIC FEET NOMINAL
Shatterproof FeatureNOT INCLUDED
Medical Designation and GradeTECHNICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
8120-00-268-3360 INTERCHANGEABLE
Cylinder,compressed Gas,acetylen
8120-00-285-4733 INTERCHANGEABLE
Cylinder,compressed Gas,acetylen
8120-00-597-5670 INTERCHANGEABLE
Cylinder,compressed Gas,acetylen
8120-00-598-5973 INTERCHANGEABLE
Cylinder,compressed Gas,acetylen
8120-00-937-5865 INTERCHANGEABLE
Cylinder,compressed Gas,acetylen
Cross-Reference Index
Part NumberManufacturer
M3701-40 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3701 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-3701 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS39227-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
8120-00-268-3360INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,ACETYLEN
8120-00-285-4733INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,ACETYLEN
8120-00-597-5670INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,ACETYLEN
8120-00-598-5973INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,ACETYLEN
8120-00-937-5865INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,ACETYLEN

Frequently Asked Questions

What is NSN 8120-00-663-3019?

NSN 8120-00-663-3019 is a Cylinder,compressed Gas,acetylen, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 8120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 8120-00-663-3019?

NSN 8120-00-663-3019 has 4 cross-referenced part numbers: M3701-40 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3701 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-3701 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS39227-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 8120-00-663-3019?

There are 5 known substitutes for 8120-00-663-3019: 8120-00-268-3360, 8120-00-285-4733, 8120-00-597-5670 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M3701-40?

Key specifications for M3701-40: Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Thread Size and Series/type Designator: 3 1/8-11 NS EXTERNAL NS; Department of Transportation Cylinder Identifying Number: 8 250 OR 8AL250; Spec/std Controlling Agency: CID. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 8120-00-663-3019 still in active supply?

NSN 8120-00-663-3019 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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