NSN 6685-01-166-6593 · NIIN 011666593 · Part number B4SAEW
Swagelok Co · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 3T9T9
Government record, cited
NSN 6685-01-166-6593 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-166-6593. Manufacturer of record part number: B4SAEW.
Also searched as6685-01-166-6593 ·
6685011666593 ·
NIIN 011666593 ·
01-166-6593 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 3T9T9 · B4SAEW
Operating Pressure Range: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
Nominal Pipe Size Designation: 0.250 INCHES IN
Fluid Type for Which Designed: 0IL AND WATER
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Swagelok Co
Identification
NSN: 6685-01-166-6593
NIIN: 011666593
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: B4SAEW
Manufacturer: Swagelok Co
General Description
The Dampener,fluid Pressure, cataloged under National Stock Number 6685-01-166-6593, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Swagelok Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-166-6593
Primary Part Number
B4SAEW
Item Name
Dampener,fluid Pressure
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Swagelok Co
Status
ACTIVE
Operating Pressure Range
+0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
Nominal Pipe Size Designation
0.250 INCHES IN
Fluid Type for Which Designed
0IL AND WATER
Material
COPPER ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-166-6593?
NSN 6685-01-166-6593 is a Dampener,fluid Pressure, manufactured by Swagelok Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-166-6593?
NSN 6685-01-166-6593 has 1 manufacturer part number on file: B4SAEW (Swagelok Co).
What are the specifications of B4SAEW?
Key specifications for B4SAEW: Operating Pressure Range: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS; Nominal Pipe Size Designation: 0.250 INCHES IN; Overall Length: 1.375 INCHES NOMINAL IN; Fluid Type for Which Designed: 0IL AND WATER. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-166-6593 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.