The Gage,comparator,air, cataloged under National Stock Number 5220-01-435-5577, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5220-01-435-5577 |
| Primary Part Number | F3C3F1A1D |
| Item Name | Gage,comparator,air |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Mounting Connection Location | BACK |
| Mounting Method | BACKPLATE |
| Criticality Code Justification | FEAT |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 150.000 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | DIAL |
| Dial Size | 4-1/2 IN. IN |
| Connection Location | BACK |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT IN |
| 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 |
|---|---|
| F3C3F1A1D PRIMARY | Bristol Babcock Inc Helicoid Instruments Div (USA) |
NSN 5220-01-435-5577 is a Gage,comparator,air, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-435-5577 has 1 manufacturer part number on file: F3C3F1A1D (Bristol Babcock Inc Helicoid Instruments Div).
Key specifications for F3C3F1A1D: Scale Name: PRESSURE; Mounting Connection Location: BACK; Mounting Method: BACKPLATE; Criticality Code Justification: FEAT. 13 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.