The Trailer,rocket Engine, cataloged under National Stock Number 1450-01-139-0286, is classified within Federal Supply Class 1450 (Guided Missile Handling and Servicing Equipment) of the Guided Missiles group. The manufacturer of record is Williamsen Manufacturing, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1450-01-139-0286 |
| Primary Part Number | 67J30520-70 |
| Item Name | Trailer,rocket Engine |
| FSC / FSG | 1450 / 14 — Guided Missile Handling and Servicing Equipment |
| Manufacturer | Williamsen Manufacturing, Inc. |
| Status | ACTIVE |
| Tire Type | PNEUMATIC |
| Wheel Quantity | 8 |
| Specific Use | LGM-30 ROCKET MOTOR |
| Wheel Diameter | 20.000 INCHES NOMINAL IN |
| Parking Brakes | INCLUDED |
| Material | STEEL FRAME |
| Frame Construction | WELDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 67J30520-70 PRIMARY | Williamsen Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A/M32A-53B | 5/1 Secondary reference Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc |
| S-133-130-1-4 | 5/9 Secondary reference U.S. Government activity |
| 8U32575-09 | C/1 Advisory reference — outside the item-of-supply concept Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
NSN 1450-01-139-0286 is a Trailer,rocket Engine, manufactured by Williamsen Manufacturing, Inc., classified under FSC 1450, Guided Missile Handling and Servicing Equipment. Status: active.
NSN 1450-01-139-0286 has 1 manufacturer part number on file: 67J30520-70 (Williamsen Manufacturing, Inc.).
Key specifications for 67J30520-70: Tire Type: PNEUMATIC; Overall Height: 144.000 INCHES NOMINAL IN; Overall Length: 420.000 INCHES NOMINAL IN; Overall Width: 96.000 INCHES NOMINAL IN. 7 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 1450-01-139-0286 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.