The Clamp,hose, cataloged under National Stock Number 4730-00-087-5644, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-087-5644 |
| Primary Part Number | 7748839 |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Fastening Device Type | SELF-LOCKING HEXAGON NUT |
| Style Designator | BAND |
| Material Document and Classification | MIL-S-5059,1/4 OR 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 2.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| 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 |
|---|---|
| 7748839 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 320-62-225SH PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| T30C-62-225-SB PRIMARY | Voss Industries, Llc (USA) |
| 7748839-5 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| C310-62-225S1 PRIMARY | Clampco Products, Inc. (USA) |
| C310C-62-225-S1 PRIMARY | Clampco Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| U12-62-225-SH | 3/2 Design control — primary reference U.S. Government activity |
| 4730000875644 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4730-00-087-5644 is a Clamp,hose, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-087-5644 has 6 manufacturer part numbers on file: 7748839 (U S Army Tank Automotive Command Amsta-Im-Mm), 320-62-225SH (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), T30C-62-225-SB (Voss Industries, Llc), 7748839-5 (U S Army Tank Automotive Command Amsta-Im-Mm), C310-62-225S1 (Clampco Products, Inc.) and 1 more.
Key specifications for 7748839: Fastening Device Type: SELF-LOCKING HEXAGON NUT; Style Designator: BAND; Material Document and Classification: MIL-S-5059,1/4 OR 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.625 INCHES NOMINAL IN. 8 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.