FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1650-00-004-2830 ·
1650000042830 ·
NIIN 000042830 ·
00-004-2830 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components
Nearby stock numbers← 1650-00-004-2828 Guide, Spring
·
1650-00-004-2831 →
Features
Piston,bias — FSC 1650
General Characteristics Item Description: STEEL,0.5597 IN. MIN,0.5600 IN. MAX O/A W IN
Identification
NSN: 1650-00-004-2830
NIIN: 000042830
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
General Description
The Piston,bias, cataloged under National Stock Number 1650-00-004-2830, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
1650-00-004-2830
Item Name
Piston,bias
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Status
ACTIVE
General Characteristics Item Description
STEEL,0.5597 IN. MIN,0.5600 IN. MAX O/A W IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5325-00-803-7316POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)
5325-00-803-9978POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)
5325-01-146-08485100-137POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Time Manufacturing Company Dba Time Manufacturing Company
5325-01-313-6751W2-F-009 ITEM 48POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Palfinger Marine Usa, Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5100137
3/2Design control — primary reference
U.S. Government activity
Related Parts
5325-00-803-7316POSSIBLE MATCH
RING,RETAINING
5325-00-803-9978POSSIBLE MATCH
RING,RETAINING
5325-01-146-0848POSSIBLE MATCH
RING,RETAINING
5100-137
5325-01-313-6751POSSIBLE MATCH
RING,RETAINING
W2-F-009 ITEM 48
Frequently Asked Questions
What is NSN 1650-00-004-2830?
NSN 1650-00-004-2830 is a Piston,bias, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What NSN replaces 1650-00-004-2830?
4 possible matches (shared part number, not a government interchangeability claim): 5325-00-803-7316, 5325-00-803-9978, 5325-01-146-0848. Verify interchangeability with system specifications before substitution.
What are the specifications of 1650-00-004-2830?
Key specifications for 1650-00-004-2830: General Characteristics Item Description: STEEL,0.5597 IN. MIN,0.5600 IN. MAX O/A W IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-00-004-2830 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.
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.