PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16681Adapter and Flange Assembly

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4730-01-567-3785 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-567-3785 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-567-3785. Primary manufacturer part number: 16681.
Features
  • Adapter and Flange Assembly — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter and Flange Assembly, cataloged under National Stock Number 4730-01-567-3785, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-567-3785
Primary Part Number16681
Item NameAdapter and Flange Assembly
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-057-850316681 INTERCHANGEABLE
Spring,table,shirt
Unipress Corporation
5310-00-275-1419 INTERCHANGEABLE
Nut,self-Locking,hexagon
5315-00-282-303016681 INTERCHANGEABLE
Pin,straight,headless
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-430-199140999-2614 INTERCHANGEABLE
Packing Assembly
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
6625-00-492-9002 INTERCHANGEABLE
Slotted Line,coaxial
5940-00-583-5959012-2000-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5340-00-623-542221816 INTERCHANGEABLE
Bracket,main
Mason Electric Co. Dba Mason Controls
4810-00-980-295716681 INTERCHANGEABLE
Seat,valve
Mission Systems Orchard Park Inc
5961-01-020-457221816 INTERCHANGEABLE
Transistor
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5310-01-047-770016681 INTERCHANGEABLE
Nut,plain,hexagon
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
16681 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
21816 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
21816 Itw Gse Inc. (USA)
Related Parts
5360-00-057-8503INTERCHANGEABLE
SPRING,TABLE,SHIRT
16681
5310-00-275-1419INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5315-00-282-3030INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
16681
5330-00-430-1991INTERCHANGEABLE
PACKING ASSEMBLY
40999-2614
6625-00-492-9002INTERCHANGEABLE
SLOTTED LINE,COAXIAL
5940-00-583-5959INTERCHANGEABLE
TERMINAL,FEEDTHRU
012-2000-00-0-479
5340-00-623-5422INTERCHANGEABLE
BRACKET,MAIN
21816
4810-00-980-2957INTERCHANGEABLE
SEAT,VALVE
16681
5961-01-020-4572INTERCHANGEABLE
TRANSISTOR
21816
5310-01-047-7700INTERCHANGEABLE
NUT,PLAIN,HEXAGON
16681
6670-01-545-9808INTERCHANGEABLE
WEIGHT SET,BALANCE
218-16
6515-01-589-0673INTERCHANGEABLE
GUIDE,PLATE,BONE
324.170

Frequently Asked Questions

What is NSN 4730-01-567-3785?

NSN 4730-01-567-3785 is a Adapter and Flange Assembly, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-567-3785?

NSN 4730-01-567-3785 has 3 cross-referenced part numbers: 16681 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 21816 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 21816 (Itw Gse Inc.).

What NSN replaces 4730-01-567-3785?

There are 12 known substitutes for 4730-01-567-3785: 5360-00-057-8503, 5310-00-275-1419, 5315-00-282-3030 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16681?

Key specifications for 16681: End Item Identification: F-22 AIRCRAFT; Part Name Assigned by Controlling Agency: FLANGE,FUNNEL. 2 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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