The Orifice Assembly, cataloged under National Stock Number 1680-00-773-6600, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Tactair Fluid Controls Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Orifice Assembly |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Tactair Fluid Controls Inc (CAGE 70236) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-773-6600 |
| Primary Part Number | 100937 |
| Item Name | Orifice Assembly |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 100937 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 100937 | 5/9 Secondary reference U.S. Government activity |
| 100937 | 5/9 Secondary reference Tactair Fluid Controls Inc Western Hydraulics Div |
| 100937 | 5/9 Secondary reference Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County |
NSN 1680-00-773-6600 is a Orifice Assembly, manufactured by Tactair Fluid Controls Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-773-6600 has 1 manufacturer part number on file: 100937 (Tactair Fluid Controls Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-00-878-8807, 5930-00-916-1287, 2540-00-934-2376. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-00-773-6600 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.