PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0157018 F18Plug,vent

Allied Witan Co Dba Alwitco · NSN 5340-01-171-1071 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-171-1071 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-171-1071. Primary manufacturer part number: 0157018 F18.
Features
  • Plug,vent — FSC 5340
  • Vent Hole Quantity: 1
  • Vent Hole Shape: ROUND
  • End Connection Type: THREADED
  • Refinement Medium Type: FILTERING
  • Length: 0.438 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Allied Witan Co Dba Alwitco
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug,vent, cataloged under National Stock Number 5340-01-171-1071, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allied Witan Co Dba Alwitco. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-171-1071
Primary Part Number0157018 F18
Item NamePlug,vent
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAllied Witan Co Dba Alwitco
StatusACTIVE
Vent Hole Quantity1
Vent Hole ShapeROUND
End Connection TypeTHREADED
Refinement Medium TypeFILTERING
Length0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-637-9675
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
Bolt,machine
5340-00-945-2521F1-8 SUCCESSOR
Standoff,threaded,spacing
Roller Bearing Co of America, Inc Div Pic Design
3110-00-108-9352 INTERCHANGEABLE
Bearing,ball,annular
5120-00-237-0978 INTERCHANGEABLE
Socket,socket Wrench
5310-00-275-3498F18 INTERCHANGEABLE
Nut,plain,hexagon
Circor Naval Solutions Llc Dba Warren Pumps
3455-00-313-655835182 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
6250-00-833-5065 INTERCHANGEABLE
Lampholder
5961-01-127-2132033662 INTERCHANGEABLE
Transistor
Simmonds Precision Products Inc
3510-01-238-5438 INTERCHANGEABLE
Steam Spreader
1510-01-253-5642F18 INTERCHANGEABLE
Airplane,f18 Fighte
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
46Z458-D1 Morris Material Handling, Inc. (USA)
51-4141 Pierce Manufacturing Inc (USA)
F18 Allied Witan Co Dba Alwitco (USA)
0157018 F18 PRIMARY Allied Witan Co Dba Alwitco (USA)
Related Parts
SUCCESSOR 5306-00-637-9675 Bolt,machine
5340-00-945-2521SUCCESSOR
STANDOFF,THREADED,SPACING
F1-8
3110-00-108-9352INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-237-0978INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5310-00-275-3498INTERCHANGEABLE
NUT,PLAIN,HEXAGON
F18
3455-00-313-6558INTERCHANGEABLE
CUTTER,MILLING,END
35182
6250-00-833-5065INTERCHANGEABLE
LAMPHOLDER
5961-01-127-2132INTERCHANGEABLE
TRANSISTOR
033662
3510-01-238-5438INTERCHANGEABLE
STEAM SPREADER
1510-01-253-5642INTERCHANGEABLE
AIRPLANE,F18 FIGHTE
F18

Frequently Asked Questions

What is NSN 5340-01-171-1071?

NSN 5340-01-171-1071 is a Plug,vent, manufactured by Allied Witan Co Dba Alwitco, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-171-1071?

NSN 5340-01-171-1071 has 4 cross-referenced part numbers: 46Z458-D1 (Morris Material Handling, Inc.), 51-4141 (Pierce Manufacturing Inc), F18 (Allied Witan Co Dba Alwitco), 0157018 F18 (Allied Witan Co Dba Alwitco).

What NSN replaces 5340-01-171-1071?

There are 10 known substitutes for 5340-01-171-1071: 5306-00-637-9675, 5340-00-945-2521, 3110-00-108-9352 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0157018 F18?

Key specifications for 0157018 F18: Vent Hole Quantity: 1; Vent Hole Shape: ROUND; End Connection Type: THREADED; Refinement Medium Type: FILTERING. 6 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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