The Cross,tube, cataloged under National Stock Number 4730-00-069-2808, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-069-2808 |
| Primary Part Number | 8737994 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FOURTH END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 1.273 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.164 INCHES NOMINAL FOURTH END IN |
| Nominal Thread Size | 0.438 INCHES FOURTH END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FOURTH END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Surface Treatment | CADMIUM OUTSIDE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A FOURTH END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FOURTH END |
| 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 |
|---|---|
| 8737994 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| AS1006-08080804 PRIMARY | Sae International Dba Sae International (USA) |
| ER827-08080804 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-F-18280 | 5/9 Secondary reference U.S. Government activity |
| AS1006-08080804 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-069-2808 is a Cross,tube, 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 4730-00-069-2808 has 3 manufacturer part numbers on file: 8737994 (U S Army Tank Automotive Command Amsta-Im-Mm), AS1006-08080804 (Sae International Dba Sae International), ER827-08080804 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-826-9903. Verify interchangeability with system specifications before substitution.
Key specifications for 8737994: Connection Style: FLARELESS (TUBE) ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FOURTH END IN; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN; Leg Length: 1.273 INCHES NOMINAL FIRST END IN. 15 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.