The Delta P Indicator,a, cataloged under National Stock Number 1680-01-480-1735, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-480-1735 |
| Primary Part Number | TD512UL04X |
| Item Name | Delta P Indicator,a |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Color | WHITE |
| Surface Treatment | ANODIZE AND PAINT AND PRIMER |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| TD512UL04X | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 42312-498 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-480-1735 is a Delta P Indicator,a, manufactured by Pall Aeropower Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-480-1735 has 1 manufacturer part number on file: TD512UL04X (Pall Aeropower Corporation).
Key specifications for TD512UL04X: Criticality Code Justification: AGAV; Color: WHITE; Special Features: APPLICATION, AIRCRAFT GEARBOX, DIFFERENTIAL PRESSURE INDICATOR; FLUID MEDIA, MIL-L-23699 OR MIL-L-7808 (SYNTHETIC BASE LUBRICATING OIL); AMBIENT TEMPORATURE, MINUS 83 DEGREES F TO POSITIVE 194 DEGREES F CONTINUOUS, MINUS 140 DEGREES F TO POSITIVE 244 DEGREES F FOR 2.5 MINUTES; OPERATING FLUID TEMPERATURE, MINUS 40 DEGREES F TO POSITIVE 250 DEGREES F CONTINUOUS; PRESSURE, ACTUATING 36 + OR - 4 PSID, OPERATING, 250 PSID, PROOF 900 PSID AT 80 DEGREES F; THERMAL LOCKOUT BELOW 90 DEGREES F + OR - 10 DEGREES F; Surface Treatment: ANODIZE AND PAINT AND PRIMER. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.