The Clamp,repair,pipe, cataloged under National Stock Number 4730-00-102-2640, 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 Mcmaster-Carr Supply Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-102-2640 |
| Primary Part Number | 4577K58 |
| Item Name | Clamp,repair,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.000 INCHES IN |
| Clamp Overall Length | 4.250 INCHES NOMINAL IN |
| Features Provided | GASKET |
| Material | IRON OVERALL |
| Construction Type | TWO PIECE |
| 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 |
|---|---|
| 4577K58 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 4577K18 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| EMH | 5/9 Secondary reference U.S. Government activity |
| 089891 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-102-2640 is a Clamp,repair,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-102-2640 has 1 manufacturer part number on file: 4577K58 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-118-2560. Verify interchangeability with system specifications before substitution.
Key specifications for 4577K58: Nominal Pipe Size Accommodated: 3.000 INCHES IN; Clamp Overall Length: 4.250 INCHES NOMINAL IN; Features Provided: GASKET; Material: IRON OVERALL. 5 specifications are 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.