PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123Cap,filler Opening

Protectoseal Co Container Div · NSN 5340-01-306-4326 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-306-4326 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-306-4326. Primary manufacturer part number: 123.
Features
  • Cap,filler Opening — FSC 5340
  • Locking Device Type: PADLOCK EYES
  • Material: ALUMINUM OVERALL
  • Retaining Device Type: HINGE
  • Pressure Relief Method: AUTOMATIC
  • System for Which Designed: PRESSURIZED
  • 1 verified cross-reference
  • Primary manufacturer: Protectoseal Co Container Div
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 5340-01-306-4326, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Protectoseal Co Container Div. Government technical data includes 5 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-306-4326
Primary Part Number123
Item NameCap,filler Opening
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerProtectoseal Co Container Div
StatusACTIVE
Locking Device TypePADLOCK EYES
MaterialALUMINUM OVERALL
Retaining Device TypeHINGE
Pressure Relief MethodAUTOMATIC
System for Which DesignedPRESSURIZED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-473-59471006 SUCCESSOR
Key Blank
Ilco Unican Corp Dba Wolf Sales
5340-00-869-184105D125G07 SUCCESSOR
Clamp,loop
Brady United States
5340-01-086-6224Z24-0001-002 SUCCESSOR
Button,plug
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Cross-Reference Index
Part NumberManufacturer
123 PRIMARY Protectoseal Co Container Div (USA)
Related Parts
5340-00-473-5947SUCCESSOR
KEY BLANK
1006
5340-00-869-1841SUCCESSOR
CLAMP,LOOP
05D125G07
5340-01-086-6224SUCCESSOR
BUTTON,PLUG
Z24-0001-002

Frequently Asked Questions

What is NSN 5340-01-306-4326?

NSN 5340-01-306-4326 is a Cap,filler Opening, manufactured by Protectoseal Co Container Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-306-4326?

NSN 5340-01-306-4326 has 1 cross-referenced part number: 123 (Protectoseal Co Container Div).

What NSN replaces 5340-01-306-4326?

There are 3 known substitutes for 5340-01-306-4326: 5340-00-473-5947, 5340-00-869-1841, 5340-01-086-6224. Verify interchangeability with system specifications before substitution.

What are the specifications of 123?

Key specifications for 123: Locking Device Type: PADLOCK EYES; Material: ALUMINUM OVERALL; Retaining Device Type: HINGE; Special Features: FITS 3 INCH PIPE SIZE IN. 7 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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