NSN 4820-01-645-1640 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-645-1640. Manufacturer of record part number: SS-HBS6-C.
Also searched as4820-01-645-1640 ·
4820016451640 ·
NIIN 016451640 ·
01-645-1640 ·
FSC 4820 Valves, Nonpowered · CAGE 3T9T9 · SS-HBS6-C
Nearby stock numbers← 4820-01-645-1084 Disk, Rupturable
·
4820-01-645-1657 Parts Kit, Pressure Regulating VA →
4820-01-645-1640 — Valves, Nonpowered
Features
Valve,regulating,fluid Pressure — FSC 4820
Flow Control Device: BELLOWS
Valve Model Number for Which Designed: SS-HBS-6-C
Temp Rating: 150.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification: UNABLE TO DECODE
End Connection Quantity: 2
Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY
The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-645-1640, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 8 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
4820-01-645-1640
Primary Part Number
SS-HBS6-C
Item Name
Valve,regulating,fluid Pressure
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Swagelok Co
Status
ACTIVE
Flow Control Device
BELLOWS
Valve Model Number for Which Designed
SS-HBS-6-C
Temp Rating
150.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification
UNABLE TO DECODE
End Connection Quantity
2
Material
STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 BODY
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-645-1640?
NSN 4820-01-645-1640 is a Valve,regulating,fluid Pressure, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-645-1640?
NSN 4820-01-645-1640 has 1 manufacturer part number on file: SS-HBS6-C (Swagelok Co).
What are the specifications of SS-HBS6-C?
Key specifications for SS-HBS6-C: Flow Control Device: BELLOWS; Valve Model Number for Which Designed: SS-HBS-6-C; Temp Rating: 150.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: UNABLE TO DECODE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-645-1640 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.