The Indicator Group, cataloged under National Stock Number 5895-01-021-9978, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Henley Marine, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5895-01-021-9978 |
| Primary Part Number | SD301D |
| Item Name | Indicator Group |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Henley Marine, Inc |
| Status | ACTIVE |
| Supplementary Features | INCLUDES INTERNAL MARKER GENERATOR AND CALIBRATION SIGNAL FOR OSCILLSCOPE OR X-Y RECORDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SD301D PRIMARY | Henley Marine, Inc (USA) |
| Reference | Meaning |
|---|---|
| ID-2096(V)3/U | 5/2 Secondary reference U.S. Government activity |
NSN 5895-01-021-9978 is a Indicator Group, manufactured by Henley Marine, Inc, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-021-9978 has 1 manufacturer part number on file: SD301D (Henley Marine, Inc).
Key specifications for SD301D: Supplementary Features: INCLUDES INTERNAL MARKER GENERATOR AND CALIBRATION SIGNAL FOR OSCILLSCOPE OR X-Y RECORDER; Special Features: PROVIDES "ON-LINE" SPECTRAL ANALYSIS OF AUDIO/SUB-AUDIO FREQ RNGS: TO CONVERT TIME DOMAIN SIGNALS TO FREQ DOMAIN SIGNALS; End Item Identification: ID-2096(V)3/U. 1 specification is 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 5895-01-021-9978 has DEMIL Code D. 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.