The Window,observation, cataloged under National Stock Number 9330-01-068-5064, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 9330-01-068-5064 |
| Primary Part Number | 73-01-1527 |
| Item Name | Window,observation |
| FSC / FSG | 9330 / 93 — Plastics Fabricated Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 73-01-1527 | Naval Sea Systems Command (USA) |
| 709-4684914 ITEM 44 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B-5091 | C/1 Advisory reference — outside the item-of-supply concept Bijur Lubricating Corp |
| 87832-1643-PC44 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9330-01-068-5064 is a Window,observation, manufactured by Naval Sea Systems Command, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
NSN 9330-01-068-5064 has 2 manufacturer part numbers on file: 73-01-1527 (Naval Sea Systems Command), 709-4684914 ITEM 44 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-284-9474, 5330-01-324-5748. Verify interchangeability with system specifications before substitution.
Key specifications for 73-01-1527: Overall Diameter: 1.250 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material: PLASTIC. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.