The End Housing Assembly, cataloged under National Stock Number 2920-01-037-8734, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is C E Niehoff & Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-01-037-8734 |
| Primary Part Number | N7221 |
| Item Name | End Housing Assembly |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | C E Niehoff & Co |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF CASTING P/N G33-126 QTY 1,BEARING BUSHING P/N G32-31 QTY 1,LOCK WASHER P/N G36-77 QTY 3,CAP SCREW P/N G19-144 QTY 3,BUSHING P/N G32-30 QTY 1 |
| 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 |
|---|---|
| N7221 PRIMARY | C E Niehoff & Co (USA) |
| Reference | Meaning |
|---|---|
| G400-234 | 5/9 Secondary reference C E Niehoff & Co |
NSN 2920-01-037-8734 is a End Housing Assembly, manufactured by C E Niehoff & Co, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-037-8734 has 1 manufacturer part number on file: N7221 (C E Niehoff & Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-064-8718. Verify interchangeability with system specifications before substitution.
Key specifications for N7221: General Characteristics Item Description: CONSISTS OF CASTING P/N G33-126 QTY 1,BEARING BUSHING P/N G32-31 QTY 1,LOCK WASHER P/N G36-77 QTY 3,CAP SCREW P/N G19-144 QTY 3,BUSHING P/N G32-30 QTY 1. 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.