The Interconnecting Box, cataloged under National Stock Number 5975-01-521-5232, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5975-01-521-5232 |
| Primary Part Number | 901-175-525-109 |
| Item Name | Interconnecting Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 901-175-525-109 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 900-16620-34 | 5/2 Secondary reference U.S. Government activity |
NSN 5975-01-521-5232 is a Interconnecting Box, manufactured by The Boeing Company, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-521-5232 has 1 manufacturer part number on file: 901-175-525-109 (The Boeing Company).
Key specifications for 901-175-525-109: Criticality Code Justification: AGAV; Special Features: WIRING INTEGRATION ASSEMBLY 4270FWA25 INTERIM SUPPORT ITEMS LIST (ISIL) PER (77272) 901-175-525; Part Name Assigned by Controlling Agency: (INAVY)WIRING INTEGRATION; End Item Identification: MV-22 TILT ROTOR AIRCRAFT. 1 specification is 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.
NSN 5975-01-521-5232 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.