The Bushing,boss, cataloged under National Stock Number 4730-01-344-5501, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is R G Rollin Co. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Bushing,boss |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | R G Rollin Co (CAGE 54752) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-344-5501 |
| Primary Part Number | KR760100 PIECE 40 |
| Item Name | Bushing,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| KR542-40 | R G Rollin Co (USA) |
| KR760100 PIECE 40 PRIMARY | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR760100 | D/9 Drawing number reference only R G Rollin Co |
NSN 4730-01-344-5501 is a Bushing,boss, manufactured by R G Rollin Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-344-5501 has 2 manufacturer part numbers on file: KR542-40 (R G Rollin Co), KR760100 PIECE 40 (R G Rollin Co).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-344-5735. Verify interchangeability with system specifications before substitution.
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.