The Window,observation, cataloged under National Stock Number 9340-01-155-5957, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Babcock & Wilcox Co. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-155-5957 |
| Primary Part Number | 5488E PIECE 62 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Babcock & Wilcox Co |
| Status | ACTIVE |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | SQUARE CORNERS |
| Environmental Protection | HIGH TEMPERATURE RESISTANT |
| Material | GLASS TEMPERED |
| 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 |
|---|---|
| 5488E PIECE 62 PRIMARY | Babcock & Wilcox Co (USA) |
| Reference | Meaning |
|---|---|
| 51359B | 5/9 Secondary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 5488E PIECE 62 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| 51359B | 5/1 Secondary reference Babcock & Wilcox Co |
NSN 9340-01-155-5957 is a Window,observation, manufactured by Babcock & Wilcox Co, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-155-5957 has 1 manufacturer part number on file: 5488E PIECE 62 (Babcock & Wilcox Co).
Key specifications for 5488E PIECE 62: Overall Thickness: 0.125 INCHES NOMINAL IN; Style Designator: SQUARE CORNERS; Overall Length: 2.438 INCHES NOMINAL IN; Overall Width: 2.438 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.
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.