The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-644-5446, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-644-5446 |
| Primary Part Number | 12506118-006 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Measuring Method and Length | 70.0 MILLIMETERS NOMINAL OVERALL MM |
| Connection Style | SWIVEL, PLAIN ALL ENDS |
| Layer Composition and Location | OUTER LAYER RUBBER COMPOSITION |
| Connection Type | UNIVERSAL QUICK DISCONNECT ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.68 MILLIMETERS NOMINAL MM |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Diameter | 0.375 MILLIMETERS NOMINAL MM |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Burst Test Pressure | 20000.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 12506118-006 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 471TC3906060606-70 | 3/2 Design control — primary reference U.S. Government activity |
| 12506118 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-01-644-5446 is a Hose Assembly,nonmetallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-644-5446 has 1 manufacturer part number on file: 12506118-006 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-644-5448, 4720-01-644-5455. Verify interchangeability with system specifications before substitution.
Key specifications for 12506118-006: Measuring Method and Length: 70.0 MILLIMETERS NOMINAL OVERALL MM; Connection Style: SWIVEL, PLAIN ALL ENDS; Layer Composition and Location: OUTER LAYER RUBBER COMPOSITION; Connection Type: UNIVERSAL QUICK DISCONNECT ALL ENDS. 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.