The Hose,nonmetallic, cataloged under National Stock Number 4720-01-549-0255, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-549-0255 |
| Primary Part Number | 12336831-1 |
| Item Name | Hose,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 | 2.630 INCHES NOMINAL WORKING IN |
| Temp Rating | 350.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Layer Composition and Location | OUTER LAYER FIBERGLASS CLOTH |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.085 INCHES NOMINAL IN |
| Operating Pressure | 28.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 1.255 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Burst Test Pressure | 98.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Special Markings | INK STAMP ID OF 19207-SOCN 12336814-1 MFR WITH 0.120 INCH HIGH CHARACTERS;APPLY COATING OVER INK STAMP ID OF CLEAR SILICONE RESIN PER MIL-I-46058 TYPE SR IN |
| Material | RUBBER SILICONE CLASS Q TUBE |
| 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 |
|---|---|
| 12336831-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12336831 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-01-549-0255 is a Hose,nonmetallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-549-0255 has 1 manufacturer part number on file: 12336831-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-549-0263. Verify interchangeability with system specifications before substitution.
Key specifications for 12336831-1: Measuring Method and Length: 2.630 INCHES NOMINAL WORKING IN; Temp Rating: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF; Layer Composition and Location: OUTER LAYER FIBERGLASS CLOTH; Cross-Sectional Shape Style: ROUND. 11 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.