The Extension,junction Box, cataloged under National Stock Number 5975-00-223-8620, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Installation Products Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-223-8620 |
| Primary Part Number | 53171 1-2 3-4 |
| Item Name | Extension,junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Cover Mounting Hole Quantity | 2 |
| Inside Depth | 2.125 INCHES NOMINAL IN |
| Supplementary Features | END ITEM F-4 AIRCRAFT SUPPORT EQUIPMENT |
| Style Designator | SQUARE |
| Entrance Quantity | 12 |
| Cover Attachment Method | UNTHREADED HOLE |
| Material | STEEL OVERALL |
| Standard Wiring Device Quantity | 1 |
| 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 |
|---|---|
| 53171 1-2 3-4 PRIMARY | Abb Installation Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 53171 3/4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5975-00-223-8620 is a Extension,junction Box, manufactured by Abb Installation Products Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-223-8620 has 1 manufacturer part number on file: 53171 1-2 3-4 (Abb Installation Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-275-6594. Verify interchangeability with system specifications before substitution.
Key specifications for 53171 1-2 3-4: Cover Mounting Hole Quantity: 2; Inside Depth: 2.125 INCHES NOMINAL IN; Supplementary Features: END ITEM F-4 AIRCRAFT SUPPORT EQUIPMENT; Style Designator: SQUARE. 8 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.