The Window,observation, cataloged under National Stock Number 9340-01-038-2176, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-038-2176 |
| Primary Part Number | SM-B-540988 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT,NON-AIRBORNE |
| Overall Thickness | 0.014 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Edge Type | FLAT FINISH |
| Material | GLASS LAMINATE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-B-540988 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| SM-B-540988 | 5/9 Secondary reference Valcore Manufacturing Llc |
| 5840010382176 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| SM-B-540988 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9340-01-038-2176 is a Window,observation, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-038-2176 has 1 manufacturer part number on file: SM-B-540988 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for SM-B-540988: FSC Application Data: RADAR EQUIPMENT,NON-AIRBORNE; Overall Thickness: 0.014 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS. 6 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.
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.