NSN 1680-01-016-4539 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-016-4539. Manufacturer of record part number: 28903.
Also searched as1680-01-016-4539 ·
1680010164539 ·
NIIN 010164539 ·
01-016-4539 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 04638 · 28903
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 28903
Manufacturer: Transdigm Inc
General Description
The Tube Assembly,control, cataloged under National Stock Number 1680-01-016-4539, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Transdigm Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1680-01-016-4539
Primary Part Number
28903
Item Name
Tube Assembly,control
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer
Transdigm Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-417-998528903POSSIBLE MATCH
HEAD ASSEMBLY,PUMP
Possible match (shared part number)Pulsafeeder Inc
4730-01-546-2480690NSBVGPOSSIBLE MATCH
ADAPTER ASSEMBLY,VALVE
Possible match (shared part number)Halkey-Roberts Corp Dba Halkey-Roberts Corp
5925-01-566-169028903POSSIBLE MATCH
CIRCUIT BREAKER
Possible match (shared part number)Schneider Electric Usa, Inc.
NSN 1680-01-016-4539 is a Tube Assembly,control, manufactured by Transdigm Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-016-4539?
NSN 1680-01-016-4539 has 1 manufacturer part number on file: 28903 (Transdigm Inc).
What NSN replaces 1680-01-016-4539?
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-417-9985, 4730-01-546-2480, 5925-01-566-1690. Verify interchangeability with system specifications before substitution.
What are the specifications of 28903?
Key specifications for 28903: End Item Identification: 1680010040712. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1680-01-016-4539 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1680-01-016-4539?
NSN 1680-01-016-4539 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.