The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-172-5465, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Kadant Johnson Inc. Dba (formely: Johnson Corporation, The). Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-172-5465 |
| Primary Part Number | PSFF-201-DI-GY |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Kadant Johnson Inc. Dba (formely: Johnson Corporation, The) |
| Status | ACTIVE |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE PORT FLANGED |
| Bolt Hole Diameter | UNABLE TO DECODE |
| Bolt Hole Quantity | UNABLE TO DECODE |
| Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Flange Outside Diameter | 6.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PSFF-201-DI-GY PRIMARY | Kadant Johnson Inc. Dba (formely: Johnson Corporation, The) (USA) |
| Reference | Meaning |
|---|---|
| PSFRF200BR-TE | 5/9 Secondary reference Kadant Johnson Inc. Dba (formely: Johnson Corporation, The) |
| A-7836 | 5/9 Secondary reference Kadant Johnson Inc. Dba (formely: Johnson Corporation, The) |
NSN 6680-01-172-5465 is a Indicator,sight,liquid, manufactured by Kadant Johnson Inc. Dba (formely: Johnson Corporation, The), classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-172-5465 has 1 manufacturer part number on file: PSFF-201-DI-GY (Kadant Johnson Inc. Dba (formely: Johnson Corporation, The)).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-179-4139. Verify interchangeability with system specifications before substitution.
Key specifications for PSFF-201-DI-GY: Overall Height: 5.500 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Style Designator: DOUBLE PORT FLANGED; Bolt Hole Diameter: UNABLE TO DECODE. 7 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.