PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6464ASiren,fluid Operated

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 6350-00-270-1048 · FSC 6350 · No Item Name Available
Verified by PartsTable
NSN 6350-00-270-1048 — this item is cataloged by the U.S. Government under National Stock Number 6350-00-270-1048. Primary manufacturer part number: A6464A.
Features
  • Siren,fluid Operated — FSC 6350
  • General Characteristics Item Description: STEAM OPERATED; OPERATING VALVE DATA,VALVE INTEGRAL W/SIREN BODY,INLET CONNECTION,FLANGE,STYLE NO. 1,SECTION B,REF DWG GROUP 43,1-1/2 IN. PIPE SIZE,FLANGED CONNECTION,5-3/8 IN. OD,13/16 IN. THK,4-1/16 IN. DIA BOLT CIRCLE,5 BOLT HOLES,11/16 IN. DIA HOLES; W/DRAIN VALVE,PIPE TAP CONNECTION,3/8 IN. SIZE OF CONNECTION; PRESSURE DATA,150 PSI PRESSURE,225 PSI HYDROSTATIC TEST PRESSURE; PROJECTOR HORN DATA,90 DEG ANGLE HORN,8-3/8 IN. DIA OF HORN OPENING; GUNMETAL AND BRONZE; FINISH A/A; MTG DATA,VERTICAL MTG W/HORN UP,FLANGE MOUNTED; OVER-ALL DIM.,22-3/16 IN. HIGH,10-5/8 IN. W; DATA REGARDING A TYPICAL MFR,STAR BRASS MFG CO,BOSTON,MASS,CODE NO. 57072,PART NO. A-6278-A; FOR GENERAL PURPOSE USE IN
  • 28 verified cross-references
  • Primary manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Siren,fluid Operated, cataloged under National Stock Number 6350-00-270-1048, is classified within Federal Supply Class 6350 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6350-00-270-1048
Primary Part NumberA6464A
Item NameSiren,fluid Operated
FSC / FSG6350 / 63 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
General Characteristics Item DescriptionSTEAM OPERATED; OPERATING VALVE DATA,VALVE INTEGRAL W/SIREN BODY,INLET CONNECTION,FLANGE,STYLE NO. 1,SECTION B,REF DWG GROUP 43,1-1/2 IN. PIPE SIZE,FLANGED CONNECTION,5-3/8 IN. OD,13/16 IN. THK,4-1/16 IN. DIA BOLT CIRCLE,5 BOLT HOLES,11/16 IN. DIA HOLES; W/DRAIN VALVE,PIPE TAP CONNECTION,3/8 IN. SIZE OF CONNECTION; PRESSURE DATA,150 PSI PRESSURE,225 PSI HYDROSTATIC TEST PRESSURE; PROJECTOR HORN DATA,90 DEG ANGLE HORN,8-3/8 IN. DIA OF HORN OPENING; GUNMETAL AND BRONZE; FINISH A/A; MTG DATA,VERTICAL MTG W/HORN UP,FLANGE MOUNTED; OVER-ALL DIM.,22-3/16 IN. HIGH,10-5/8 IN. W; DATA REGARDING A TYPICAL MFR,STAR BRASS MFG CO,BOSTON,MASS,CODE NO. 57072,PART NO. A-6278-A; FOR GENERAL PURPOSE USE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-148-4938A6860A INTERCHANGEABLE
Spider,clutch
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2520-00-980-1356A6776A INTERCHANGEABLE
Diaphragm Assemblyx
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
A6464A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6895A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7033A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6261A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6680A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7034A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6860A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6256E PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6772A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7128A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7148A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6977A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6776A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6278A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7069A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6838A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
AA7068A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6975A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6256D PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6746A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
2520-00-148-4938INTERCHANGEABLE
SPIDER,CLUTCH
A6860A
2520-00-980-1356INTERCHANGEABLE
DIAPHRAGM ASSEMBLYX
A6776A

Frequently Asked Questions

What is NSN 6350-00-270-1048?

NSN 6350-00-270-1048 is a Siren,fluid Operated, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 6350 (No Item Name Available). Status: active.

What are the part numbers for NSN 6350-00-270-1048?

NSN 6350-00-270-1048 has 28 cross-referenced part numbers: A6464A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6895A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), AA7033A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6261A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6680A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 23 more.

What NSN replaces 6350-00-270-1048?

There are 2 known substitutes for 6350-00-270-1048: 2520-00-148-4938, 2520-00-980-1356. Verify interchangeability with system specifications before substitution.

What are the specifications of A6464A?

Key specifications for A6464A: General Characteristics Item Description: STEAM OPERATED; OPERATING VALVE DATA,VALVE INTEGRAL W/SIREN BODY,INLET CONNECTION,FLANGE,STYLE NO. 1,SECTION B,REF DWG GROUP 43,1-1/2 IN. PIPE SIZE,FLANGED CONNECTION,5-3/8 IN. OD,13/16 IN. THK,4-1/16 IN. DIA BOLT CIRCLE,5 BOLT HOLES,11/16 IN. DIA HOLES; W/DRAIN VALVE,PIPE TAP CONNECTION,3/8 IN. SIZE OF CONNECTION; PRESSURE DATA,150 PSI PRESSURE,225 PSI HYDROSTATIC TEST PRESSURE; PROJECTOR HORN DATA,90 DEG ANGLE HORN,8-3/8 IN. DIA OF HORN OPENING; GUNMETAL AND BRONZE; FINISH A/A; MTG DATA,VERTICAL MTG W/HORN UP,FLANGE MOUNTED; OVER-ALL DIM.,22-3/16 IN. HIGH,10-5/8 IN. W; DATA REGARDING A TYPICAL MFR,STAR BRASS MFG CO,BOSTON,MASS,CODE NO. 57072,PART NO. A-6278-A; FOR GENERAL PURPOSE USE IN. 1 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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