PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28721Stop

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 1680-00-348-3984 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-348-3984 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-348-3984. Primary manufacturer part number: 28721.
Features
  • Stop — FSC 1680
  • General Characteristics Item Description: MATL FIBRE GRADE CH TYPE R MIL-F-1148,COLOR GREY,0.125 IN. DIA BY 0.187 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Aerospace Group Headquarters
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stop, cataloged under National Stock Number 1680-00-348-3984, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-348-3984
Primary Part Number28721
Item NameStop
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusACTIVE
General Characteristics Item DescriptionMATL FIBRE GRADE CH TYPE R MIL-F-1148,COLOR GREY,0.125 IN. DIA BY 0.187 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-285-8385PGF8764 INTERCHANGEABLE
Seal,plain Encased
Dana Off Highway Products, Llc
1650-00-337-479828721 INTERCHANGEABLE
Disk,valve
Hydro-Aire Aerospace Corp
4810-00-394-285128721 INTERCHANGEABLE
Valve,solenoid
Forenta Lp
5330-01-399-4673236139 INTERCHANGEABLE
Seal,plain Encased
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
28721 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
5330-00-285-8385INTERCHANGEABLE
SEAL,PLAIN ENCASED
PGF8764
1650-00-337-4798INTERCHANGEABLE
DISK,VALVE
28721
4810-00-394-2851INTERCHANGEABLE
VALVE,SOLENOID
28721
5330-01-399-4673INTERCHANGEABLE
SEAL,PLAIN ENCASED
236139

Frequently Asked Questions

What is NSN 1680-00-348-3984?

NSN 1680-00-348-3984 is a Stop, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-348-3984?

NSN 1680-00-348-3984 has 1 cross-referenced part number: 28721 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 1680-00-348-3984?

There are 4 known substitutes for 1680-00-348-3984: 5330-00-285-8385, 1650-00-337-4798, 4810-00-394-2851 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28721?

Key specifications for 28721: General Characteristics Item Description: MATL FIBRE GRADE CH TYPE R MIL-F-1148,COLOR GREY,0.125 IN. DIA BY 0.187 IN. LG 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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