The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-452-2079, 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 Weiss Instruments, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-452-2079 |
| Primary Part Number | TL35P-SB4-0/200PSI |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Weiss Instruments, Inc. |
| Status | ACTIVE |
| Scale Range | +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TL35P-SB4-0/200PSI PRIMARY | Weiss Instruments, Inc. (USA) |
| 6406-200 | Smith a O Water Products Co Div of a O Smith Corp (USA) |
NSN 6685-01-452-2079 is a Gage,pressure,dial Indicating, manufactured by Weiss Instruments, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-452-2079 has 2 manufacturer part numbers on file: TL35P-SB4-0/200PSI (Weiss Instruments, Inc.), 6406-200 (Smith a O Water Products Co Div of a O Smith Corp).
1 possible match (shared part number, not a government interchangeability claim): 6630-01-482-4379. Verify interchangeability with system specifications before substitution.
Key specifications for TL35P-SB4-0/200PSI: Scale Range: +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS; Special Features: NOT FOR SHIPBOARD USE. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.