The Indicator Subassembly,rate of Fl, cataloged under National Stock Number 6620-01-535-0404, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-535-0404 |
| Primary Part Number | 604AS5893-4 |
| Item Name | Indicator Subassembly,rate of Fl |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| 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 |
|---|---|
| 83C0016R0050 | Stang Industries, Inc (USA) |
| 604AS5893-4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 83282-32 | Ametek Inc Schutte and Koerting Div (USA) |
NSN 6620-01-535-0404 is a Indicator Subassembly,rate of Fl, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-535-0404 has 3 manufacturer part numbers on file: 83C0016R0050 (Stang Industries, Inc), 604AS5893-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 83282-32 (Ametek Inc Schutte and Koerting Div).
Key specifications for 604AS5893-4: Overall Length: 12.000 INCHES NOMINAL IN; Special Features: DTUBE SIZE IS 2"; INDICATOR IS UPSTREAM IN TYPE; MATERIAL IS 307 STAINLESS STEEL SEAMLESS TUBING WITH 37 DEGREE FLARED FITTINGS: PRESSURE TAP,WITH FLARED FITTING AND STAINLESS STEEL CAP IS PROVIDED; End Item Identification: JET ENGINE TEST INST; INTERCOM SYS. 0 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 6620-01-535-0404 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.