PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L1203Plug Assy,breather

G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc. · NSN 5342-00-513-1727 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-513-1727 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-513-1727. Primary manufacturer part number: L1203.
Features
  • Plug Assy,breather — FSC 5342
  • General Characteristics Item Description: CONSISTS OF 1 SPINDLE,PART NO. B11-2; 1 HOUSING,PART NO. 1753; 1 PIN,PART NO. B80-8; 1 TAPE,PLAIN,PART NO. B13-6; 1 TAPE,CORRUGATED,PART NO. B10-6; 1.000 IN. NOM FLANT DIA,0.035 IN. NOM FLANGE THK,0.940 IN. NOM BODY DIA,0.372 IN. NOM W O/A,0.0635 IN. DIA HOLE THRU BODY OD AND CENTERED IN
  • 1 verified cross-reference
  • Primary manufacturer: G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plug Assy,breather, cataloged under National Stock Number 5342-00-513-1727, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-513-1727
Primary Part NumberL1203
Item NamePlug Assy,breather
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerG.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 SPINDLE,PART NO. B11-2; 1 HOUSING,PART NO. 1753; 1 PIN,PART NO. B80-8; 1 TAPE,PLAIN,PART NO. B13-6; 1 TAPE,CORRUGATED,PART NO. B10-6; 1.000 IN. NOM FLANT DIA,0.035 IN. NOM FLANGE THK,0.940 IN. NOM BODY DIA,0.372 IN. NOM W O/A,0.0635 IN. DIA HOLE THRU BODY OD AND CENTERED IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6240-00-019-3102 INTERCHANGEABLE
Lamp,incandescent
4710-01-718-3376L1203-050-1 INTERCHANGEABLE
Tubing,nonmetallic
Mission Systems Davenport Inc.
4710-01-718-3378L1203-075-1 INTERCHANGEABLE
Tubing,nonmetallic
Mission Systems Davenport Inc.
4720-01-729-4387L1203-040-1 INTERCHANGEABLE
Tubing,nonmetallic
Mission Systems Davenport Inc.
4720-01-729-4407L1203-120-1 INTERCHANGEABLE
Tubing,nonmetallic
Mission Systems Davenport Inc.
Cross-Reference Index
Part NumberManufacturer
L1203 PRIMARY G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc. (USA)
Related Parts
6240-00-019-3102INTERCHANGEABLE
LAMP,INCANDESCENT
4710-01-718-3376INTERCHANGEABLE
TUBING,NONMETALLIC
L1203-050-1
4710-01-718-3378INTERCHANGEABLE
TUBING,NONMETALLIC
L1203-075-1
4720-01-729-4387INTERCHANGEABLE
TUBING,NONMETALLIC
L1203-040-1
4720-01-729-4407INTERCHANGEABLE
TUBING,NONMETALLIC
L1203-120-1

Frequently Asked Questions

What is NSN 5342-00-513-1727?

NSN 5342-00-513-1727 is a Plug Assy,breather, manufactured by G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc., classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-513-1727?

NSN 5342-00-513-1727 has 1 cross-referenced part number: L1203 (G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.).

What NSN replaces 5342-00-513-1727?

There are 5 known substitutes for 5342-00-513-1727: 6240-00-019-3102, 4710-01-718-3376, 4710-01-718-3378 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L1203?

Key specifications for L1203: General Characteristics Item Description: CONSISTS OF 1 SPINDLE,PART NO. B11-2; 1 HOUSING,PART NO. 1753; 1 PIN,PART NO. B80-8; 1 TAPE,PLAIN,PART NO. B13-6; 1 TAPE,CORRUGATED,PART NO. B10-6; 1.000 IN. NOM FLANT DIA,0.035 IN. NOM FLANGE THK,0.940 IN. NOM BODY DIA,0.372 IN. NOM W O/A,0.0635 IN. DIA HOLE THRU BODY OD AND CENTERED 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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