The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-321-0781, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-321-0781 |
| Primary Part Number | 357130 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| Data Furnishing Method | CLEAR WINDOW |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | BULLS EYE |
| Features Provided | REFLECTOR |
| Thread Direction | UNABLE TO DECODE |
| Nominal Thread Size | UNABLE TO DECODE |
| Maximum Temp Rating | 350.0 FAHRENHEIT DEGF |
| Surface Treatment | ANODIZE |
| Media for Which Designed | OIL |
| Thread Class | UNABLE TO DECODE |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNABLE TO DECODE |
| Sight Diameter | 1.000 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 |
|---|---|
| 357130 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 357130 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 357130 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 357130 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-00-321-0781 is a Indicator,sight,liquid, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-321-0781 has 2 manufacturer part numbers on file: 357130 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 357130 (Honeywell International Inc. Div Aerospace - Torrance).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-040-0319, 4720-01-134-7680, 2010-01-681-5067. Verify interchangeability with system specifications before substitution.
Key specifications for 357130: Overall Height: 1.020 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW; End Connection Type: UNABLE TO DECODE. 14 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.