The Cross,tube, cataloged under National Stock Number 4730-01-421-8133, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-421-8133 |
| Primary Part Number | D10033D08080806 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Connection Style | SWAGED W/ GROOVES (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FOURTH END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 1.755 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.755 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.278 INCHES NOMINAL FOURTH END IN |
| Leg Length | 1.755 INCHES NOMINAL THIRD END IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| D10033D08080806 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| AP10103D08080806 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 7D0027D08080806 | 5/2 Secondary reference U.S. Government activity |
| D10033 | D/9 Drawing number reference only Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AP10775D08080806 | 5/9 Secondary reference Sps Technologies, Llc Dba Airdrome Precision Components |
NSN 4730-01-421-8133 is a Cross,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-421-8133 has 2 manufacturer part numbers on file: D10033D08080806 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), AP10103D08080806 (Sps Technologies, Llc Dba Airdrome Precision Components).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-421-8134. Verify interchangeability with system specifications before substitution.
Key specifications for D10033D08080806: Surface Treatment Document and Classification: MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Connection Style: SWAGED W/ GROOVES (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Material Document and Classification: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.