The Hose,preformed, cataloged under National Stock Number 4720-00-289-5853, 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 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4720-00-289-5853 |
| Primary Part Number | 7521971 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Style Designator | SINGLE BEND |
| Wall Thickness | 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Inside Diameter | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 6.000 INCHES NOMINAL IN |
| Second Arm Length | 3.219 INCHES MINIMUM AND 3.281 INCHES MAXIMUM IN |
| Working Length | 9.250 INCHES MINIMUM AND 9.375 INCHES MAXIMUM IN |
| First Arm Length | 3.219 INCHES MINIMUM AND 3.281 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7521971 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 482F2 | 5/9 Secondary reference Diamond Reo Truck Co |
| 913169 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 4720007521971 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4720002895853 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 913346 | 5/9 Secondary reference Sasco Inc Canadian Div |
NSN 4720-00-289-5853 is a Hose,preformed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: cancelled.
NSN 4720-00-289-5853 has 1 manufacturer part number on file: 7521971 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5306-00-752-1970. Verify interchangeability with system specifications before substitution.
Key specifications for 7521971: Style Designator: SINGLE BEND; Wall Thickness: 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Inside Diameter: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Special Features: 1 IN. LG OF HOSE MUST FLEX 50 PERCENT OF ID AFTER 5 HR AT-65 DEG F W/O CRACKING; -65 DEG F TO 225 DEG F DESIGNED TEMP RANGE; CORROSION, DUST, FUNGI, OIL AND WATER RESISTANT 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.
NSN 4720-00-289-5853 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.