PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633858-4Valve,fuel,drain

Lockheed Martin Corp · NSN 2915-00-289-3943 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-289-3943 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-289-3943. Primary manufacturer part number: 633858-4.
Features
  • Valve,fuel,drain — FSC 2915
  • General Characteristics Item Description: STEEL,2.293 IN. O/A LG,1.281 IN. MIN,1.781 IN. MAX O/A DIA,1 TUBE 0.250 IN. O/D IN
  • 5 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,fuel,drain, cataloged under National Stock Number 2915-00-289-3943, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2915-00-289-3943
Primary Part Number633858-4
Item NameValve,fuel,drain
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,2.293 IN. O/A LG,1.281 IN. MIN,1.781 IN. MAX O/A DIA,1 TUBE 0.250 IN. O/D IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6760-00-018-7445C-10154-10 INTERCHANGEABLE
Bracket Assembly,si
Anderson Machine Manufacturing Co., Inc. Dba Anderson Machine Co
5815-00-128-633280511 INTERCHANGEABLE
Shaft
Telemechanics Inc
6210-00-295-179580-511 INTERCHANGEABLE
Lens,light
Dialight Corporation
5930-00-912-7519 INTERCHANGEABLE
Switch,push
5920-01-340-2639 INTERCHANGEABLE
Absorber,overvoltage
7025-01-341-1134 INTERCHANGEABLE
Display Unit
2090-01-508-043731991 INTERCHANGEABLE
Motor,windshield Wiper,electric
Ongaro Marine Ltd
Cross-Reference Index
Part NumberManufacturer
633858-4 PRIMARY Lockheed Martin Corp (USA)
49F9798-64 Department of the Air Force (USA)
8051-1 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
31991 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
475C64W Auto-Valve, Inc (USA)
Related Parts
6760-00-018-7445INTERCHANGEABLE
BRACKET ASSEMBLY,SI
C-10154-10
5815-00-128-6332INTERCHANGEABLE
SHAFT
80511
6210-00-295-1795INTERCHANGEABLE
LENS,LIGHT
80-511
5930-00-912-7519INTERCHANGEABLE
SWITCH,PUSH
5920-01-340-2639INTERCHANGEABLE
ABSORBER,OVERVOLTAGE
7025-01-341-1134INTERCHANGEABLE
DISPLAY UNIT
2090-01-508-0437INTERCHANGEABLE
MOTOR,WINDSHIELD WIPER,ELECTRIC
31991

Frequently Asked Questions

What is NSN 2915-00-289-3943?

NSN 2915-00-289-3943 is a Valve,fuel,drain, manufactured by Lockheed Martin Corp, classified under FSC 2915 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2915-00-289-3943?

NSN 2915-00-289-3943 has 5 cross-referenced part numbers: 633858-4 (Lockheed Martin Corp), 49F9798-64 (Department of the Air Force), 8051-1 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 31991 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 475C64W (Auto-Valve, Inc).

What NSN replaces 2915-00-289-3943?

There are 7 known substitutes for 2915-00-289-3943: 6760-00-018-7445, 5815-00-128-6332, 6210-00-295-1795 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633858-4?

Key specifications for 633858-4: End Item Identification: 29152893942; General Characteristics Item Description: STEEL,2.293 IN. O/A LG,1.281 IN. MIN,1.781 IN. MAX O/A DIA,1 TUBE 0.250 IN. O/D IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2915-00-289-3943 still in active supply?

NSN 2915-00-289-3943 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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