The Indicator,overpressure, cataloged under National Stock Number 6685-01-048-7709, 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 Circor Aerospace Inc. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-048-7709 |
| Primary Part Number | 1763-2-000 |
| Item Name | Indicator,overpressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Circor Aerospace Inc |
| Status | ACTIVE |
| Overall Diameter | 0.219 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN |
| General Characteristics Item Description | MANUAL RESET,OPERATING TEMP M65 TO P300 DEG F,OPERATING PRESSURE 75 PSIG,BURST 1200 PSIG,FLUID MEDIUM AIR |
| Special Test Features | OPERATING PRESSURE: 75PSIG; PROOF: 677 PSIG; BURST PRESSURE: 1200 PSIG; LEAKAGE: 1.0 SCCM MAXIMUM LEAKAGE IS ALLOWED |
| Storage Temp Range | -65.0 TO 203.0 FAHRENHEIT DEGF |
| Surface Treatment | ANODIZE |
| Functional Description | ALUMINUM BODY DETAILS: ANONDIZE PER MIL-A-8625 TYPE I OR TYPE II CLASS 1 |
| Material | ALUMINUM |
| 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 |
|---|---|
| M9103DCD001 | National Machine Company Dba Nmg Aerospace (USA) |
| 1763-2-000 PRIMARY | Circor Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 6685PL1809484 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7894-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 6685PL0625215 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1763-2-000 | 5/9 Secondary reference Acc Partners Inc |
NSN 6685-01-048-7709 is a Indicator,overpressure, manufactured by Circor Aerospace Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-048-7709 has 2 manufacturer part numbers on file: M9103DCD001 (National Machine Company Dba Nmg Aerospace), 1763-2-000 (Circor Aerospace Inc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-544-1779. Verify interchangeability with system specifications before substitution.
Key specifications for 1763-2-000: Overall Height: 1.88 INCHES NOMINAL IN; Overall Diameter: 0.219 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN; General Characteristics Item Description: MANUAL RESET,OPERATING TEMP M65 TO P300 DEG F,OPERATING PRESSURE 75 PSIG,BURST 1200 PSIG,FLUID MEDIUM AIR; Special Test Features: OPERATING PRESSURE: 75PSIG; PROOF: 677 PSIG; BURST PRESSURE: 1200 PSIG; LEAKAGE: 1.0 SCCM MAXIMUM LEAKAGE IS ALLOWED. 7 specifications are 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.