The Window,observation, cataloged under National Stock Number 9340-00-202-1816, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is L3 Technologies, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 28 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-202-1816 |
| Primary Part Number | A7443 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | L3 Technologies, Inc. |
| Status | ACTIVE |
| Overall Diameter | 7.500 INCHES NOMINAL IN |
| Surface Finish | POLISHED |
| Overall Thickness | 0.375 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | DD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Edge Type | BEVELED |
| Ply Quantity | 1 |
| Environmental Protection | WEATHER RESISTANT |
| Material | GLASS |
| 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 |
|---|---|
| A7443 PRIMARY | L3 Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10-1406PC8 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1415PC12 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1507-3PC26 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. |
| A-7443 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 10-1419PC20 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1735-27 PIECE 18 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1439PC8 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1400PC34 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1407PC8 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1737 PIECE 6 | 5/9 Secondary reference L3 Technologies, Inc. |
| S6505E3006466REV1PC12 | 5/2 Secondary reference U.S. Government activity |
| 10-1430PC73 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1413PC5 | 5/9 Secondary reference L3 Technologies, Inc. |
| S6505E3000852REV3PC34 | 5/2 Secondary reference U.S. Government activity |
| S6505E3006468REV1PC5 | 5/2 Secondary reference U.S. Government activity |
| S6505E3002936REV1PC56 | 5/2 Secondary reference U.S. Government activity |
| 10-1422PC5 | 5/9 Secondary reference L3 Technologies, Inc. |
| 10-1403PC56 | 5/9 Secondary reference L3 Technologies, Inc. |
| S6505E3002065REV2PC54 | 5/2 Secondary reference U.S. Government activity |
| S6505E3114744REV1PC73 | 5/2 Secondary reference U.S. Government activity |
NSN 9340-00-202-1816 is a Window,observation, manufactured by L3 Technologies, Inc., classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-00-202-1816 has 1 manufacturer part number on file: A7443 (L3 Technologies, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-737-1494, 4820-01-131-3377. Verify interchangeability with system specifications before substitution.
Key specifications for A7443: Overall Diameter: 7.500 INCHES NOMINAL IN; Surface Finish: POLISHED; Overall Thickness: 0.375 INCHES NOMINAL IN; Material Transparency: CLEAR. 10 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.