PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-19Fill Plug,rubber

Sanstorm Inc · NSN 4940-01-121-3243 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-01-121-3243 — this item is cataloged by the U.S. Government under National Stock Number 4940-01-121-3243. Primary manufacturer part number: M-19.
Features
  • Fill Plug,rubber — FSC 4940
  • 1 verified cross-reference
  • Primary manufacturer: Sanstorm Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fill Plug,rubber, cataloged under National Stock Number 4940-01-121-3243, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Sanstorm Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFill Plug,rubber
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersSanstorm Inc (CAGE 89646)
Technical Specifications
ParameterValue
NSN4940-01-121-3243
Primary Part NumberM-19
Item NameFill Plug,rubber
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerSanstorm Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-224-365545545 INTERCHANGEABLE
Cutter,milling,metal Slitting
Kennametal Inc. Div Kennametal Industrial Products Group
2530-00-383-9885000-606-1019 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Tvh Parts Co.
1377-00-607-0315 INTERCHANGEABLE
Thruster,cartridge Actuated
4720-00-672-2728134MDP1 INTERCHANGEABLE
Hose,preformed
Linde Material Handling North America Corporation
6640-01-153-7109M19 INTERCHANGEABLE
Detergent,glassware and Instrume
Oliver Chemical Co Inc
4730-01-233-49858457631-1 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Air Armament Center/ En
3120-01-396-2577 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
M-19 PRIMARY Sanstorm Inc (USA)
Related Parts
3455-00-224-3655INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
45545
2530-00-383-9885INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
000-606-1019
1377-00-607-0315INTERCHANGEABLE
THRUSTER,CARTRIDGE ACTUATED
4720-00-672-2728INTERCHANGEABLE
HOSE,PREFORMED
134MDP1
6640-01-153-7109INTERCHANGEABLE
DETERGENT,GLASSWARE AND INSTRUME
M19
4730-01-233-4985INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
8457631-1
3120-01-396-2577INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 4940-01-121-3243?

NSN 4940-01-121-3243 is a Fill Plug,rubber, manufactured by Sanstorm Inc, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-01-121-3243?

NSN 4940-01-121-3243 has 1 cross-referenced part number: M-19 (Sanstorm Inc).

What NSN replaces 4940-01-121-3243?

There are 7 known substitutes for 4940-01-121-3243: 3455-00-224-3655, 2530-00-383-9885, 1377-00-607-0315 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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