The Filter,neutral Density, cataloged under National Stock Number 5860-01-301-4877, is classified within Federal Supply Class 5860 (Stimulated Coherent Radiation Devices, Components, and Accessories) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5860-01-301-4877 |
| Primary Part Number | B55M0017-21 |
| Item Name | Filter,neutral Density |
| FSC / FSG | 5860 / 58 — Stimulated Coherent Radiation Devices, Components, and Accessories |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Mounting Method | BONDED-ON |
| Width | 0.500 INCHES NOMINAL IN |
| Material | GLASS |
| 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 |
|---|---|
| B55M0017-21 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| B55M0017-21 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| 100-960155-000 | 5/9 Secondary reference U.S. Government activity |
NSN 5860-01-301-4877 is a Filter,neutral Density, manufactured by The Boeing Company Div Defense, classified under FSC 5860, Stimulated Coherent Radiation Devices, Components, and Accessories. Status: active.
NSN 5860-01-301-4877 has 1 manufacturer part number on file: B55M0017-21 (The Boeing Company Div Defense).
Key specifications for B55M0017-21: Overall Height: 0.530 INCHES NOMINAL IN; Length: 0.500 INCHES NOMINAL IN; Mounting Method: BONDED-ON; Overall Length: 1.000 INCHES NOMINAL IN. 4 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 5860-01-301-4877 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.