PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A649Valve,relief,amad,a

Ausco Inc · NSN 6150-01-479-3949 · FSC 6150 · No Item Name Available
Verified by PartsTable
NSN 6150-01-479-3949 — this item is cataloged by the U.S. Government under National Stock Number 6150-01-479-3949. Primary manufacturer part number: A649.
Features
  • Valve,relief,amad,a — FSC 6150
  • Criticality Code Justification: AGAV
  • 3 verified cross-references
  • Primary manufacturer: Ausco Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,amad,a, cataloged under National Stock Number 6150-01-479-3949, is classified within Federal Supply Class 6150 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Ausco Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6150-01-479-3949
Primary Part NumberA649
Item NameValve,relief,amad,a
FSC / FSG6150 / 61 — No Item Name Available
ManufacturerAusco Inc
StatusACTIVE
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-035-7719 INTERCHANGEABLE
Gear,helical
5330-00-173-4334A649 INTERCHANGEABLE
Gasket
Essex Industries, Inc. Dba Essex Industries
2910-00-563-8048565253 INTERCHANGEABLE
Bowl,sediment
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5945-00-786-92069171275 INTERCHANGEABLE
Solenoid,electrical
Us Army Aviation and Missile Command
5945-00-810-09979171128 INTERCHANGEABLE
Solenoid,electrical
Us Army Aviation and Missile Command
5945-00-970-6116709239-801 INTERCHANGEABLE
Relay Assembly
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
74-540072-102 The Boeing Company Div Defense (USA)
60203-002 Ametek Thermal Systems Inc (USA)
A649 PRIMARY Ausco Inc (USA)
Related Parts
3020-00-035-7719INTERCHANGEABLE
GEAR,HELICAL
5330-00-173-4334INTERCHANGEABLE
GASKET
A649
2910-00-563-8048INTERCHANGEABLE
BOWL,SEDIMENT
565253
5945-00-786-9206INTERCHANGEABLE
SOLENOID,ELECTRICAL
9171275
5945-00-810-0997INTERCHANGEABLE
SOLENOID,ELECTRICAL
9171128
5945-00-970-6116INTERCHANGEABLE
RELAY ASSEMBLY
709239-801

Frequently Asked Questions

What is NSN 6150-01-479-3949?

NSN 6150-01-479-3949 is a Valve,relief,amad,a, manufactured by Ausco Inc, classified under FSC 6150 (No Item Name Available). Status: active.

What are the part numbers for NSN 6150-01-479-3949?

NSN 6150-01-479-3949 has 3 cross-referenced part numbers: 74-540072-102 (The Boeing Company Div Defense), 60203-002 (Ametek Thermal Systems Inc), A649 (Ausco Inc).

What NSN replaces 6150-01-479-3949?

There are 6 known substitutes for 6150-01-479-3949: 3020-00-035-7719, 5330-00-173-4334, 2910-00-563-8048 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A649?

Key specifications for A649: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: INAVY - VALVE, RELIEF AMAD, A; Special Features: PERFORMANCE BASED LOGISTICS-STOCK AT VENDORS SITE-SUBMIT TO NAVICP VIA DAAS; End Item Identification: FIGHTER AIRCRAFT, FIRST F18 E/F. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com