The Regulator,pressure, cataloged under National Stock Number 1680-01-474-5689, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Ausco Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-474-5689 |
| Primary Part Number | A370 |
| Item Name | Regulator,pressure |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Ausco Inc |
| Status | ACTIVE |
| Pressure Rating | ERR-060 AND ERR-060 |
| Thread Size and Series/type Designator | 0.625-18 UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A370 PRIMARY | Ausco Inc (USA) |
| Reference | Meaning |
|---|---|
| K874547-001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1680-01-474-5689 is a Regulator,pressure, manufactured by Ausco Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-474-5689 has 1 manufacturer part number on file: A370 (Ausco Inc).
Key specifications for A370: Overall Length: 2.660 INCHES MAXIMUM IN; Overall Width: 0.990 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN; Pressure Rating: ERR-060 AND ERR-060; Special Features: TEMPERATURE RANGE MINUS 40 DEG. TO PLUS 450 DEG. F; NORMAL OPERATING TEMP. 280 DEG. F; FLOW 2.5 GPM AT 20 PSID MAXIMUM ABOVE CRACK; THREAD CLASS 3A; WIDTH IS MEASURED ACROSS FLATS OF HEX SHAPE A. 2 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.
NSN 1680-01-474-5689 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.