The Frame,observation Window, cataloged under National Stock Number 9340-01-252-4763, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Burke Products 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9340-01-252-4763 |
| Primary Part Number | BP8921 |
| Item Name | Frame,observation Window |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Burke Products Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM SHEET 5052-H32 PER SPEC QQ-A-250/8C; 20.120 IN. LG; 1.000 IN. W; 0.120 IN. THK; SEVEN 0.187 IN. DIA MTG HOLES EQUALLY SPACED AT 3.180 IN. INTERVALS IN |
| 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 |
|---|---|
| BP8921 | Burke Products Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-B-423395 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9340-01-252-4763 is a Frame,observation Window, manufactured by Burke Products Inc, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-252-4763 has 1 manufacturer part number on file: BP8921 (Burke Products Inc).
Key specifications for BP8921: General Characteristics Item Description: ALUMINUM SHEET 5052-H32 PER SPEC QQ-A-250/8C; 20.120 IN. LG; 1.000 IN. W; 0.120 IN. THK; SEVEN 0.187 IN. DIA MTG HOLES EQUALLY SPACED AT 3.180 IN. INTERVALS IN. 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.
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.