NSN 1650-01-218-2528 · NIIN 012182528 · Part number 7543186
Pti Technologies Inc. · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 05228
Government record, cited
NSN 1650-01-218-2528 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-218-2528. Manufacturer of record part number: 7543186.
Also searched as1650-01-218-2528 ·
1650012182528 ·
NIIN 012182528 ·
01-218-2528 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 05228 · 7543186
General Characteristics Item Description: STEEL 17-4 PH,AMS 5643; PASSIVATED FINISH MIL-S-5002; 0.745 IN. LG IN
1 manufacturer part number on file
Manufacturer of record: Pti Technologies Inc.
Identification
NSN: 1650-01-218-2528
NIIN: 012182528
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 7543186
Manufacturer: Pti Technologies Inc.
General Description
The Retainer Assy,valve Assy, cataloged under National Stock Number 1650-01-218-2528, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-01-218-2528
Primary Part Number
7543186
Item Name
Retainer Assy,valve Assy
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Pti Technologies Inc.
Status
ACTIVE
FSC Application Data
AIRCRAFT HYDRAULIC SYSTEM
General Characteristics Item Description
STEEL 17-4 PH,AMS 5643; PASSIVATED FINISH MIL-S-5002; 0.745 IN. LG IN
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-011-0886
1650-00-011-0886 · Item name not on file
1650-00-013-3761
SLIDE,SELECTOR
1650-00-059-7742
PARTS KIT,SEAL REPLACEMENT,MECHA
1650-00-101-7836
CLIP,RETURN PLATE
1650-00-138-2779
FILTERING DISK,FLUID
1650-00-162-3907
PARTS KIT,LINEAR ACTUATING CYLIN
1650-00-594-3500
DISK,VALVE
1650-00-658-8056
PARTS KIT,VALVE
Frequently Asked Questions
What is NSN 1650-01-218-2528?
NSN 1650-01-218-2528 is a Retainer Assy,valve Assy, manufactured by Pti Technologies Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-218-2528?
NSN 1650-01-218-2528 has 1 manufacturer part number on file: 7543186 (Pti Technologies Inc.).
What are the specifications of 7543186?
Key specifications for 7543186: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; General Characteristics Item Description: STEEL 17-4 PH,AMS 5643; PASSIVATED FINISH MIL-S-5002; 0.745 IN. LG IN; End Item Identification: AIRCRAFT B-1B. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-218-2528 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 1650-01-218-2528?
NSN 1650-01-218-2528 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.