PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DLT-2/51Valve,cylinder,gas

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 8120-01-527-2850 · FSC 8120 · No Item Name Available
Verified by PartsTable
NSN 8120-01-527-2850 — this item is cataloged by the U.S. Government under National Stock Number 8120-01-527-2850. Primary manufacturer part number: MIL-DLT-2/51.
Features
  • Valve,cylinder,gas — FSC 8120
  • Furnished Items: HANDWHEEL AND RUPTURE DISK
  • Media for Which Designed: ARGON
  • Material: COPPER ALLOY BODY
  • Nondefinitive Spec/std Data: III STYLE AND V51-677-9 TYPE AND A COMPOSITION
  • Special Markings: ARGON
  • Operating Pressure: 7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,cylinder,gas, cataloged under National Stock Number 8120-01-527-2850, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN8120-01-527-2850
Primary Part NumberMIL-DLT-2/51
Item NameValve,cylinder,gas
FSC / FSG8120 / 81 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Furnished ItemsHANDWHEEL AND RUPTURE DISK
Media for Which DesignedARGON
MaterialCOPPER ALLOY BODY
Nondefinitive Spec/std DataIII STYLE AND V51-677-9 TYPE AND A COMPOSITION
Special MarkingsARGON
Operating Pressure7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8120-00-142-9246 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-216-6799 INTERCHANGEABLE
Cap,valve,gas Cylinder Outlet
8120-00-281-3798 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-281-3799 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-281-3802 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-281-3805 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-283-09251250C2 INTERCHANGEABLE
Valve,cylinder,gas
Superior Valve Co
8120-00-597-0888 INTERCHANGEABLE
Valve,cylinder,gas
8120-00-803-2172 INTERCHANGEABLE
Valve,cylinder,gas
8120-01-224-62041100-346B INTERCHANGEABLE
Valve,cylinder,gas
Superior Valve Co
Cross-Reference Index
Part NumberManufacturer
MIL-DLT-2/51 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-59860 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-DTL-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
8120-00-142-9246INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-216-6799INTERCHANGEABLE
CAP,VALVE,GAS CYLINDER OUTLET
8120-00-281-3798INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-281-3799INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-281-3802INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-281-3805INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-283-0925INTERCHANGEABLE
VALVE,CYLINDER,GAS
1250C2
8120-00-597-0888INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-00-803-2172INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-01-224-6204INTERCHANGEABLE
VALVE,CYLINDER,GAS
1100-346B
8120-01-524-6760INTERCHANGEABLE
VALVE,CYLINDER,GAS
8120-01-524-6772INTERCHANGEABLE
VALVE,CYLINDER,GAS

Frequently Asked Questions

What is NSN 8120-01-527-2850?

NSN 8120-01-527-2850 is a Valve,cylinder,gas, 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: active.

What are the part numbers for NSN 8120-01-527-2850?

NSN 8120-01-527-2850 has 3 cross-referenced part numbers: MIL-DLT-2/51 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-59860 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-DTL-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 8120-01-527-2850?

There are 12 known substitutes for 8120-01-527-2850: 8120-00-142-9246, 8120-00-216-6799, 8120-00-281-3798 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DLT-2/51?

Key specifications for MIL-DLT-2/51: Special Features: ITEM TO SUPPORT THE REFURBISHMENT OF 6000 PSI ARGON CYLINDERS; Furnished Items: HANDWHEEL AND RUPTURE DISK; Media for Which Designed: ARGON; Material: COPPER ALLOY BODY. 7 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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