The Regulator,differential Adjustabl, cataloged under National Stock Number 6685-01-010-3176, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6685-01-010-3176 |
| Primary Part Number | 617-004-9003 |
| Item Name | Regulator,differential Adjustabl |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | 0 TO 15 PSIG,3.125 IN. MAX DIA,0.250 IN. NPT INLET AND OUTLET IN |
| 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 |
|---|---|
| 617-004-9003 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| H21AT-H-100-0-15PSIG | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 617-004 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| GH21AT1658B | 5/9 Secondary reference Conoflow Regulators and Controls Div Itt Grinnell Valve Co |
NSN 6685-01-010-3176 is a Regulator,differential Adjustabl, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-010-3176 has 3 manufacturer part numbers on file: 617-004-9003 (Honeywell International Inc. Div Aerospace - Torrance), H21AT-H-100-0-15PSIG (Honeywell International Inc. Div Aerospace - Torrance), 617-004 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 617-004-9003: General Characteristics Item Description: 0 TO 15 PSIG,3.125 IN. MAX DIA,0.250 IN. NPT INLET AND OUTLET IN. 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.