The Extender Card,electronic Test, cataloged under National Stock Number 5998-01-313-1644, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Airflo Instrument Company, the Dba Airflo Instrument Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-313-1644 |
| Primary Part Number | 1600-850 |
| Item Name | Extender Card,electronic Test |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Airflo Instrument Company, the Dba Airflo Instrument Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | G |
| Part Number | Manufacturer |
|---|---|
| 1600-850 PRIMARY | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| 44C1123 | 5/9 Secondary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
NSN 5998-01-313-1644 is a Extender Card,electronic Test, manufactured by Airflo Instrument Company, the Dba Airflo Instrument Co, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-313-1644 has 1 manufacturer part number on file: 1600-850 (Airflo Instrument Company, the Dba Airflo Instrument Co).
1 possible match (shared part number, not a government interchangeability claim): 3433-01-323-9448. Verify interchangeability with system specifications before substitution.
Key specifications for 1600-850: End Item Identification: APPROACH LIGHT SEQUENCE FLASHER 2 (ALSF2). 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 5998-01-313-1644 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.