The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-547-9299, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-547-9299 |
| Primary Part Number | 516-5486433 ITEM F24D4 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 516-5486433 ITEM F24D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| EA23-3PTP-LWBXD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 516-6602388 ITEM 19D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| SA23-3PTP-LWBXD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SA23-3PTP-LWBX | 5/1 Secondary reference Weksler Glass Thermometer Corp |
| EA23-3PTP-LWBX | 5/1 Secondary reference Weksler Glass Thermometer Corp |
| 516-5486433 ITEM F24 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 516-6602388 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 6685-01-547-9299 is a Gage,pressure,dial Indicating, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-547-9299 has 4 manufacturer part numbers on file: 516-5486433 ITEM F24D4 (Naval Inventory Control Point Mechanicsburg), EA23-3PTP-LWBXD4 (Naval Inventory Control Point Mechanicsburg), 516-6602388 ITEM 19D4 (Naval Inventory Control Point Mechanicsburg), SA23-3PTP-LWBXD4 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 516-5486433 ITEM F24D4: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 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.
NSN 6685-01-547-9299 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.