The Clamp,hose, cataloged under National Stock Number 4730-00-993-9586, 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 Satair A/s. Government technical data includes 10 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-993-9586 |
| Primary Part Number | MS21920-30 |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Temp Rating | 550.0 FAHRENHEIT DEGF |
| Fastening Device Type | SELF-LOCKING HEXAGON NUT |
| Style Designator | BAND |
| Material Document and Classification | MIL-B-6812 MIL SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-S-5059,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | MIL-B-6812 MIL SPEC SINGLE MATERIAL RESPONSE BOLT |
| Inside Diameter | 3.500 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 BAND |
| Material | STEEL NUT |
| Material | STEEL BOLT |
| 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 |
|---|---|
| MS21920-30 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| MS21920-30 | 5/9 Secondary reference Wittek Companies Intl Inc |
| MIL-DTL-8783/1 | 4/1 Identification reference U.S. Government activity |
| MS21920-30 | 5/9 Secondary reference U.S. Government activity |
| MS21920-30 | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-8783 | 5/1 Secondary reference U.S. Government activity |
| MS21920-30 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
| MS21920-30 | 5/9 Secondary reference Voss Industries, Llc |
| MS21920-30 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-00-993-9586 is a Clamp,hose, manufactured by Satair A/s, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-993-9586 has 1 manufacturer part number on file: MS21920-30 (Satair A/s).
Key specifications for MS21920-30: Temp Rating: 550.0 FAHRENHEIT DEGF; Fastening Device Type: SELF-LOCKING HEXAGON NUT; Style Designator: BAND; Material Document and Classification: MIL-B-6812 MIL SPEC SINGLE MATERIAL RESPONSE NUT. 10 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.