PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-257-1Valve,fuel Float Vent

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 2915-01-145-5023 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-01-145-5023 — this item is cataloged by the U.S. Government under National Stock Number 2915-01-145-5023. Primary manufacturer part number: 1-257-1.
Features
  • Valve,fuel Float Vent — FSC 2915
  • General Characteristics Item Description: PART OF WING FUEL VENT INSTL
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Aerospace Group Headquarters
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,fuel Float Vent, cataloged under National Stock Number 2915-01-145-5023, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-01-145-5023
Primary Part Number1-257-1
Item NameValve,fuel Float Vent
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusACTIVE
General Characteristics Item DescriptionPART OF WING FUEL VENT INSTL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6130-00-134-5520NP28-0-6-0L INTERCHANGEABLE
Power Supply
Technipower Llc Dba Unipower
4330-00-287-874408P00410TE INTERCHANGEABLE
Filter Element,fluid
Met-Pro Corporation
5930-00-422-22051257-1 INTERCHANGEABLE
Switch,push
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6685-00-527-71872025018507 INTERCHANGEABLE
Gage,pressure,dial Indicating
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5120-00-869-6986 INTERCHANGEABLE
Bit,crimped Contact
3030-01-037-8351 INTERCHANGEABLE
Belt,v
5930-01-195-553875J588001-105 INTERCHANGEABLE
Switch,pressure
The Boeing Company Div Defense
5315-01-299-9306 INTERCHANGEABLE
Pin,straight,headless
1377-01-346-22161257-1 INTERCHANGEABLE
Initiator,cartridge Actuated
Rockwell Collins Inc
Cross-Reference Index
Part NumberManufacturer
1-257-1 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
6130-00-134-5520INTERCHANGEABLE
POWER SUPPLY
NP28-0-6-0L
4330-00-287-8744INTERCHANGEABLE
FILTER ELEMENT,FLUID
08P00410TE
5930-00-422-2205INTERCHANGEABLE
SWITCH,PUSH
1257-1
6685-00-527-7187INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2025018507
5120-00-869-6986INTERCHANGEABLE
BIT,CRIMPED CONTACT
3030-01-037-8351INTERCHANGEABLE
BELT,V
5930-01-195-5538INTERCHANGEABLE
SWITCH,PRESSURE
75J588001-105
5315-01-299-9306INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1377-01-346-2216INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
1257-1

Frequently Asked Questions

What is NSN 2915-01-145-5023?

NSN 2915-01-145-5023 is a Valve,fuel Float Vent, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-01-145-5023?

NSN 2915-01-145-5023 has 1 cross-referenced part number: 1-257-1 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 2915-01-145-5023?

There are 9 known substitutes for 2915-01-145-5023: 6130-00-134-5520, 4330-00-287-8744, 5930-00-422-2205 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-257-1?

Key specifications for 1-257-1: General Characteristics Item Description: PART OF WING FUEL VENT INSTL; End Item Identification: B52G AIRCRAFT. 2 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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