The Hose,air Breathing, cataloged under National Stock Number 4720-00-877-6809, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-877-6809 |
| Primary Part Number | F438-1012-2 |
| Item Name | Hose,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Measuring Method and Length | 12.125 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | THREADED BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUNDROUND |
| Wall Thickness | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Inside Diameter | 0.625 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.250 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 0.625 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | RUBBER SILICONE CLASS Q FIRST PLY |
| Material | PLASTIC POLYAMIDE NYLON COVER |
| Material | COTTON AND RUBBER SILICONE CLASS Q SECOND PLY |
| 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 |
|---|---|
| F438-1012-2 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| F438-1012-2 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4720-00-877-6809 is a Hose,air Breathing, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-877-6809 has 1 manufacturer part number on file: F438-1012-2 (Mission Systems Orchard Park Inc).
Key specifications for F438-1012-2: Measuring Method and Length: 12.125 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Connection Type: THREADED BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 13 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.