PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40311Pipe,exhaust

Walker Mfg Co · NSN 2990-00-325-7918 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-325-7918 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-325-7918. Primary manufacturer part number: 40311.
Features
  • Pipe,exhaust — FSC 2990
  • Design Form: PREBENT
  • 10 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pipe,exhaust, cataloged under National Stock Number 2990-00-325-7918, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN2990-00-325-7918
Primary Part Number40311
Item NamePipe,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Design FormPREBENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-024-2679A119053 INTERCHANGEABLE
Gasket
Schwitzer Engine Components a Household Intl Co
5930-00-112-454040311 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5950-00-240-2395 INTERCHANGEABLE
Transformer,power
3110-00-277-0268 INTERCHANGEABLE
Bearing,ball,annular
3040-00-328-53114500-211 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5961-00-401-7770 INTERCHANGEABLE
Transistor
6620-00-718-6525 INTERCHANGEABLE
Gage,water Temperat
3040-00-773-305340311 INTERCHANGEABLE
Disc,brake
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5975-01-048-3036 INTERCHANGEABLE
Plate,wall,electrical
5133-01-095-6719 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
641856 Am General Llc (USA)
9322-3 Walker Mfg Co (USA)
2130F2 Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA)
912769 Am General Llc (USA)
E2-496 Harvard Industries (USA)
40311 PRIMARY Walker Mfg Co (USA)
2X7756 PRIMARY Arvin Industries Inc (USA)
ES383 PRIMARY Maremont Corp (USA)
641856 Spalla Inc (USA)
2X193 Ap Parts Co Industrial Sales Div (USA)
Related Parts
5330-00-024-2679INTERCHANGEABLE
GASKET
A119053
5930-00-112-4540INTERCHANGEABLE
SWITCH,FLOW
40311
5950-00-240-2395INTERCHANGEABLE
TRANSFORMER,POWER
3110-00-277-0268INTERCHANGEABLE
BEARING,BALL,ANNULAR
3040-00-328-5311INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-211
5961-00-401-7770INTERCHANGEABLE
TRANSISTOR
6620-00-718-6525INTERCHANGEABLE
GAGE,WATER TEMPERAT
3040-00-773-3053INTERCHANGEABLE
DISC,BRAKE
40311
5975-01-048-3036INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
5133-01-095-6719INTERCHANGEABLE
DRILL,TWIST
4920-01-206-1677INTERCHANGEABLE
CONDUCTIVITY CELL,SPECIAL
3417
5998-01-464-4097INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4031-1

Frequently Asked Questions

What is NSN 2990-00-325-7918?

NSN 2990-00-325-7918 is a Pipe,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-325-7918?

NSN 2990-00-325-7918 has 10 cross-referenced part numbers: 641856 (Am General Llc), 9322-3 (Walker Mfg Co), 2130F2 (Mahle Aftermarket Inc. Dba Ae Clevite Inc), 912769 (Am General Llc), E2-496 (Harvard Industries) and 5 more.

What NSN replaces 2990-00-325-7918?

There are 12 known substitutes for 2990-00-325-7918: 5330-00-024-2679, 5930-00-112-4540, 5950-00-240-2395 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40311?

Key specifications for 40311: Design Form: PREBENT. 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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