The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-531-3938, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-531-3938 |
| Primary Part Number | P21054J-001 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Bellofram Corporation |
| Status | CANCELLED |
| Material | GLASS PROTECTIVE CRYSTAL |
| Overall Diameter | 7.720 INCHES NOMINAL IN |
| Mounting Method | PANEL |
| Scale Range | +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Connection Location | BACK, LOWER |
| Actuation Type | SINGLE BOURDON TUBE |
| Connector Type Vent | NOT PROVIDED |
| Scale Accuracy | 1/2 OF 1 PCT ACCURACY RATING ENTIRE RANGE |
| Pointer Color | BLACK |
| Pointer Type | INDICATING |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Adjustability | ADJUSTABLE |
| Scale Name | PRESSURE |
| Dial Size | 6 IN. DIA IN |
| Connection Quantity | 1 |
| Bezel Type | HINGE |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | EXTERNAL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Type | SINGLE |
| Connection Size | 0.250 IN. NPT DIA IN |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | ALUMINUM AND STEEL CASE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 68A75D299-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 103SFMH | Desco Corp Marsh Bellofram Div (USA) |
| 6798295-1 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 436122 | Avtron Aerospace Inc (USA) |
| 68A75D299-3 | Bellofram Corporation (USA) |
| 900RRAH | Weksler Glass Thermometer Corp (USA) |
| P21054J-001 PRIMARY | Bellofram Corporation (USA) |
| 132550-1903 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
| 1803 | Ametek, Inc. Div Aerospace & Defense (USA) |
| AA16-6PH4-RWXX | Ashcroft Inc Dba Heise (USA) |
| 6-1FM1-4LBM200RBRS60 | Bellofram Corporation (USA) |
| 1377A | Ashcroft Inc Dba Heise (USA) |
| 1077A | Ashcroft Inc Dba Heise (USA) |
| 60-1377AS02B200 | Ashcroft Inc Dba Heise (USA) |
| 6-103SFMH1-4LBM200 | Desco Corp Marsh Bellofram Div (USA) |
NSN 6685-00-531-3938 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-531-3938 has 15 cross-referenced part numbers: 68A75D299-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 103SFMH (Desco Corp Marsh Bellofram Div), 6798295-1 (Allison Transmission Inc Dba Allison Transmission, Inc), 436122 (Avtron Aerospace Inc), 68A75D299-3 (Bellofram Corporation) and 10 more.
There are 12 known substitutes for 6685-00-531-3938: 6685-00-066-1059, 6685-00-068-3444, 6685-00-108-1108 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for P21054J-001: Overall Depth: 2.840 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL; Overall Diameter: 7.720 INCHES NOMINAL IN; Mounting Method: PANEL. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-531-3938 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.