The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-531-3608, 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 Ashcroft Inc Dba Heise. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-531-3608 |
| Primary Part Number | 45 1377 PS 09B XLL 0/30000# |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | +/- 0.5% |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 6.094 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30000.0 POUNDS PER SQUARE INCH LBS |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Dial Size | 4.5" |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CORROSION RESISTING CASE |
| Connection Quantity | 1 |
| Connection Size | 1/4" NPT |
| 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 |
|---|---|
| 45 1377 PS 09B XLL 0/30000# PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 45-1377SS-02B-XLLEP | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 45 1377 SS 02B 0/3000 XEPLL | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 45 1377 SS 02B XLL 0/30000# | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 45-1377SS-029-XLLEP | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-01-531-3608 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-531-3608 has 1 manufacturer part number on file: 45 1377 PS 09B XLL 0/30000# (Ashcroft Inc Dba Heise).
Key specifications for 45 1377 PS 09B XLL 0/30000#: Mounting Hole Quantity: 3; Scale Accuracy: +/- 0.5%; Scale Name: POUNDS PRESSURE; Overall Diameter: 6.094 INCHES NOMINAL IN. 18 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.