The Box Connector,electrical, cataloged under National Stock Number 5975-00-591-1997, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is American Optical Co. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 — Electrical Hardware and Supplies (FSG 59) |
| Manufacturers | American Optical Co (CAGE 02622) |
| Parameter | Value |
|---|---|
| NSN | 5975-00-591-1997 |
| Primary Part Number | B775-149 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | American Optical Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B775-149 PRIMARY | American Optical Co (USA) |
| Reference | Meaning |
|---|---|
| 8247-15-5 | 3/2 Design control — primary reference U.S. Government activity |
| 31-834 | 5/9 Secondary reference Amphenol Corporation Div Amphenol Rf |
NSN 5975-00-591-1997 is a Box Connector,electrical, manufactured by American Optical Co, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-591-1997 has 1 manufacturer part number on file: B775-149 (American Optical Co).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-607-8659, 5975-01-257-9067. Verify interchangeability with system specifications before substitution.
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.